Varieties of Corporate Governance PowerPoint Presentation

Assortments of Corporate Governance - PowerPoint Presentation Example Corporate administration isn't just a key methodology and a main thrust for an economy, yet it additionally underlines on the varieties in its framework. The varieties vary as indicated by the business circumstance, for example, bombed fuse systems may accentuate on the usage of monetary direction type corporate administration framework (Lazonick and O'Sullivan, 2000). Inside the applied arrangement of corporate administration, hierarchical game plans and social relations go about as those components that decide the controlling experts for an association. The way of life inside an association is completely significant, when executives and controlling specialists to run corporate administration are to be chosen. It is up to the needs of an association; regardless of whether it is more towards income age or towards the advancement of a perfect nearness in the market, for example, HTC Corporation. Along these lines, this is the authoritative game plan that helps in picking the controlli ng experts for a firm (Lazonick and O'Sullivan, 2000). ... The organizations may exploit the institutional methodology, where arrangement of corporate administration can be practiced by the results (Dore, 2000, pp. 115-127). Supporting Arguments As the center contention of the article discusses the expansions and varieties of the corporate administration; in this way, all together help this fundamental contention not many of the supporting contentions are created to accomplish the point suitably. It is uncovered that the relationship created among the key partners of an association, including work, capital and the board, contrasts locale to district (Aguillera and Jackson, 2003). Article additionally gauges the confined impacts of the considerable number of partners; accordingly, ‘forward-looking’ approach is utilized to examine the impacts. In the thought about article, job of institutional complementarities in building up a reasonable corporate administration framework at a firm level is likewise dissected. It very well may be seen that practicability of a specific organization rises, when different business foundation sometimes falls short for specific business conditions. In not many cases, it is discovered that associations are not prone to chip away at key direction, with regards to manage budgetary framework (Dore, 2000, pp. 118-124). By portraying the measurements and varieties in such framework, the job of chiefs and official is likewise genuinely critical in deciding the supportable and solid measurements for any firm. One of the current deterrents in the usage of corporate administration is the contentions, which may emerge when interests of work are smothered by the interests of the executives and capital of the firm. The hypothetical model introduced in the article has filled the primary need appropriately.

classism and the criminal essays

classism and the criminal expositions While scanning the web for articles on classism, I had the fortune to go over an entrancing webpage called the Anarchist Black Cross Network. What caught my consideration was a discourse by Clarence Darrow to the detainees in the Chicago jail in 1902. Being intrigued by his way of thinking, I resolved to learn as much as Possible about what darrow's identity was and what he did. During the procedure, I have come to acknowledge Douglas O. Linder for his article, Who is Clarence Darrow, (1997). Clarence Darrow was a political lobbyist and preliminary legal counselor. Linders article sums up Darrows well known discourse to the detainees, which features his way of thinking and furthermore covers a portion of his increasingly renowned preliminaries. Darrows fundamental conviction is that there is nothing of the sort as a lawbreaker; society makes individuals exist in whatever way they do, that is whether they are within or outside of a jail. He states to the detainees that the vast majority outside of jail are lawbreakers in a worthy manner for example the gas organization, retailers, and so on. At the point when Darrow takes a gander at commercials all he sees are lies. Darrow sees selling for benefit as a culturally adequate wrongdoing. I accept that Darrow sees himself as a Robin Hood of sorts, uncovering the richs abuse of the poor as wrongdoing. He was a visionary for his time: perusing his content, I felt as though the perspectives were present day and could have been co mposed as of late. Darrow communicates that mankind is constrained into wrongdoing in light of destitution. He gives models. The first is seizing. Darrow expresses, This wrongdoing is conceived, not on the grounds that individuals are terrible; individuals dont grab different people groups kids since they need the kids or in light of the fact that they are wicked, but since they see an opportunity to receive some cash in return. The second is theft, he expresses that nobody falters around in obscurity in an outsiders house; nobody faces that challenge, except if they are frantic and h... <!

Rap :: essays research papers

All through the previous years, rap and every other kind of music craftsman utilize their music to communicate their perspectives, assessments and emotions in their tunes. From their verses, you will have a bit of comprehension towards what they see and feel about the general public. The specialists ought to be cheerful in light of the fact that this is a right to speak freely nation and they can make any sorts out of music to communicate. In spite of the fact that there are voices saying rap music ought to be edited and it has been affecting youth’s mind, however is rap music contrarily impacting the youths’? There is a study from the United States saying 48% Americans figure famous music ought to be intensely controlled and 59% Americans needed to limit savagery in music. Be that as it may, there were no examinations giving proof towards a circumstances and logical results connection between viciousness, sex and social impact. Regardless of whether there are studies, craftsman and arranger won't be worried about the guidelines and additionally runs the show. From this obliviousness, this is the way savagery in rap music starts.           Rap is characterized as a type of mainstream music grew particularly in African-American urban networks and portrayed by spoken or recited rhyming verses with a timed, dull cadenced backup. In the mid '90's, rap music was starting to be well known, and there were two diverse rapper gatherings: the East and West Coast. The wars between these two gatherings were not exactly evident until East Coast rappers started to get greater exposure. West Coast rappers were disturbed and desirous with the goal that they began to ridicule East Coast rappers through their music. East Coast rappers made retribution at West Coast rappers and the war has proceed until one day, there was voices saying the other coast had gone excessively far. In any case, West Coast rapper Tupac Shakur had an individual fight with the East Coast rapper The Notorious B.I.G.. In one of Tupac’s melody, he announced he had laid down with the Biggie’s spouse and Notorious B.I.G. vi ndicated by saying â€Å"stupid niggaz meddle with Big Poppa, motherf**kers get broiled in the event that you f**k mind B.

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The Great Awakening Of The Antebellum Period - 1524 Words

The Antebellum Period was the time after the War of 1812 and just before the Civil War (Lapsansky-Werner). With the growing cotton plantation in the south, more slaves were needed and more slaves needed to escape (Antebellum Period.). While the Antebellum Period brought the Second Great Awakening and Westward Expansion, it is also known for the uprising of abolition and anti versus pro slavery arguments (Antebellum Period.). The antebellum period was overall a pivotal point in slavery and slave laws with laws like the fugitive slave act of 1851 and the Compromise of 1850 or rebellions like the Underground Railroad. Fredrick Douglass was also very influential in this time because he is a true example of a black abolitionist and his speech changed lives. Another important event in the Antebellum Period was the Abolitionist movement. Abolitionists wanted to abolish, or terminate, slavery because they thought it was unjust and wrong. One of the main reasons for the creation of abolition is the Second Great Awakening (McKivigan). The Second Great Awakening was a religious movement in the 1830s that, among other things, made people see that slavery was a sin and demanded the slaves be emancipated as an act of penance (McKivigan). Another reason for the Abolitionist Movement is the American Anti-Slavery Society. In 1833, William Lloyd Garrison and Arthur Tappan began a huge controversy by founding the American Anti-Slavery Society (Antebellum Period.). The society’s mainShow MoreRelatedAntebellum Period Essay1238 Words   |  5 Pages2017 The Antebellum Period The Antebellum period took place from before the civil war until after the war of 1812, although some historians extend the date. This period was characterized by the rise of abolition and how prosperous and diverse the topic of slavery was.In this period, the economies the northern and southern economies were very different with the rise of cotton as a cash crop in the south and the industrial advancement in the north. The Norths economy in the Antebellum period is characterizedRead MoreThe Changing Place of Women DBQ893 Words   |  3 PagesThe antebellum market revolution transformed a subsistence economy of scattered farms and tiny workshops into a national network of industry and commerce. In other words, it took the work that most people did in their homes, and made them more efficient through factories. On the other hand, the Second Great Awakening was a religious revival characterized by emotional mass â€Å"camp meetings† and widespread conversion. It influenced many things including the women’s movement. Although women were stillRead MoreThe Expansion Of The Antebellum Period1320 Words   |  6 PagesPrior to the Antebellum Period, the United States began to expand its influence to the Midwest. Although there were conflicts regarding the state of slavery, the expansion of land helped the people of America attain cheaper and larger plots of land out west. Due to the fact tha t more land was available within the United States, immigrants had the desire to emigrate to America and establish new ways of life. Since both the Irish and the Germans brought their own ideologies with them, conflicts aroseRead MoreSlavery Argument During The Antebellum Period1171 Words   |  5 PagesSlavery Argument During the Antebellum period, with the emergence of the Second Great Awakening provoked lots of political and social reforms such as abolitionism and changes within the religion of Christianity. However, despite having all of these changes, the creation of the cotton gin was absolutely on of the more significant one because it created a more efficient way to produce cotton, thus needing more labor to operate such machinery. Therefore, whilst the antebellum period is occurring it causedRead MoreThe North And South Regions Of The United States1391 Words   |  6 PagesEach Northern and Southern state has a strong government which is home to a state congress and governor. However, during the antebellum period of the United States everything wasn’t as blissful as it is today. The antebellum period is the period after the War of 1812 and before the Civil War in 1861. Some people may say that the Antebellum period was a period of great awakening with a lot of prosperity because of manufacturing, while others may say it was a dark time in the nation s history due toRead More Antebellum Slavery: The Great North-South Divide781 Words   |  4 Pagesthe antebellum period began, the American Nation was divided into the North and South by many issues but most economic issues arising from western expansion and slavery. While the North had abolished slavery, the South insisted on slavery for the cultivation of their cash crops especially cotton. The south had religious and racial justifications for the institution of slavery and even went so far as to proclaim slavery was for the slave’s own benefit. The North, motivated by the second Great AwakeningRead MoreThe Second Great Awakening And Abolitionist Movement Essay863 Words   |  4 PagesDuring the time period of the American Revolution in 1776, many Americans were influenced by the ideals of the Enlightenment, Deism, and logical thinking. In addition to the growth of rationalism, there was a decline i n the practice of religion. However, starting from around the early 19th century, many religious leaders such as Charles G. Finney and Peter Cartwright began to preach ideas of the Second Great Awakening to reject those of the Enlightenment. This included a rejection of predestinationRead MoreDBQ Womens Rights, The Market Revolution, and The Great Awakening815 Words   |  4 Pagescountry in various aspects, especially in opening new opportunities for women at this time. The Market Revolution and Second Great Awakening affected the evolution of womens role in the family, workplace, and society by expanding their roles and introducing them to reform and the strength of womanhood. During this time of the Market Revolution and the Second Great Awakening, women began appearing as an important m ­Ã‚ ­ember of family life. Women became the leading family member because of her significanceRead MoreThe Civil War Of Slavery1699 Words   |  7 PagesIn the 1800s the Institution of Slavery became very dominant in the United States, but mainly in the South. Due to the climate and their type of economy, their agriculture productions required a great amount of labor that was performed by the slaves. In the south, â€Å"slavery was key to the way of life†1 the majority of the south relied on the slaves to do all of the hard work for them and maximize the profit of their owners. The northern states however had a different type of economy and did not requireRead MoreReform Movements in the United States Sought to Expand Democratic Ideals. Assess the Validity of This Statement with Specific Reference to the Years 1825 to 1850.1698 Words   |  7 Pagesseries of re ligious revivals reinforced American democracy and liberty. The Second Great Awakening was a huge religious reform movement that sought to re-captivate religious interest in America. One of its new breakthroughs is its representation of democratic ideas, or: â€Å"a reworking of traditional religious institutions to better match the average American’s sensibilities and frontier lifestyles (Second Great Awakening).† In this attempt to capture interest, this new theology differed from the previous

The Economics Of Disaster Relief - 1051 Words

The Economics of Disaster Relief Relief is one of the important methods employed immediately after a disaster. In this article, we argue that, among different kinds of activities, relief provided by the government is the most efficient and feasible way to reduce the harm brought by a disaster. We first distinguish three kinds of activities that influence the magnitude and incidence of a disaster, and then elaborate their interdependency with one another, and explain why relief made by government is of great significance. Definitions of Precaution, Relief and Recovery Three kinds of activities related to mitigate the harm brought by a disaster are precaution, relief, and recovery. They have similar goals and can be easily distinguish by†¦show more content†¦Even though it has positive effects on helping people to return their life to a normal stage, recovery, mainly provided by the government, should not be encouraged as a main method in a disaster in view of its costs and benefits. Recovery efforts have prominent impact on the investment of precaution made by victims. This influence exerts through the mediating effect of the incentives for precaution, and it easily brings a moral hazard problem for victims. Once victims expect to receive large amount of recovery, they have less incentives for precaution. As precaution is the main method taken beforehand, less efforts on precaution leave potential victims in a more vulnerable place in a disaster, later they need to be helped by a larger amount of recovery. Besides, aid through recovery is not an efficient way in a disaster because its actual cost exceeds the social optimal. This excessive part is brought by political reasons. Recovery is not only an assistant method, but also a political propaganda for politicians. In a major disaster which attracts the public attention, the benefits of recovery are easily seen by the public, therefore earn political rewards and reputation for politicians. Encouraged by the visible effects of recovery propagated by the media, as well as in the consideration of the benefits for fiscalShow MoreRelatedThe American Red Cross1647 Words   |  7 Pagesone of the largest disaster relief charities, helping over 100 million people in 2013 alone. To fully understand what the Red Cross does, the term nonprofit should be defined. According to the Merriam-Webster dictionary, nonprofit is defined as â€Å"not conducted or maintained for the purpose of making a profit† (2012). The American Red Cross’ w orks not only with disaster relief, but the company also consists of many other distinct branches. They help out not only with disaster relief but also with supportingRead MoreNatural Disasters882 Words   |  4 Pages Natural disasters in Australia Natural disasters are events that occur naturally such as earthquakes, cyclones, Storms, and floods. These kinds of disasters can cause significant physical damage, interruption of business services and personal injury/loss of life. Due to the effects of global warming and consequential climate change the rate of natural disasters in Australia is increasing day by day. I myself have faced such kind of natural disaster in Pakistan in the yearRead MoreTraditional And Non Traditional Threats Of State Security1650 Words   |  7 Pagessurvival of a nation, a state, or a regime, and thus are often regarded as the core of international security (Jian, 2003). Non-traditional security, on the other hand, refers to security issues of the so-called ‘low politics’, including natural disasters, economic security, environmental pollution, population explosion, terrorism, and transferable diseases (AIDS, Ebola, etc). Caballero-Anthony, (2007) simply defines non-traditional security threats as â€Å"challenges to the survival and well-being of peoplesRead MoreA Brief Note On Inter Agency Coordination And Collaborations Impact The Success Of A Humanitarian Relief Operation1553 Words   |  7 PagesAbstract The primary aim of all agencies involved in disaster relief is to help people and reduce human suffering. But due to the participation of multiple agencies from wide backgrounds, with different interests, visions and financial capability, proper coordination and collaboration between the parties involved, remains a point of concern. Little or zero pre disaster collaboration is found between nodal agencies. The sudden onset of a disastrous event and unpredictability of immediate respondersRead MoreThe Tragedy And Horror Of The Joplin Tornado1627 Words   |  7 Pagesbecame a place amid an undifferentiated region, except to locals, known as fly-over states. Theoretical Implications Disasters are totalizing events, impacting and influencing every aspect of a community when they occur. As the anthropology of disaster grows, both in the number of publications and the number of researchers, the scope of topics related to disasters will also grow. Economic implications, vulnerable populations, and human ecology already contribute heavily to the current body of work,Read MoreReconstruction Of Post Disaster Management1180 Words   |  5 Pages Post-disaster Management policy This phase should have involved activities that helped the affected communities in the normalization of economic and social well-being as well as reconstruction of the physical infrastructure and facilities. †¢ The State Policy should have ensured speedy return to normalcy in the disaster- affected areas and effective recovery from the economic and social consequences of the disaster and mitigation of the long-term effects of disaster. †¢ In the wake ofRead MoreHorrifying Weather and Natural Disasters Essay examples608 Words   |  3 Pagesand wildfires. These words bring back memories of horrifying natural disasters, which could strike at any given moment. Especially dangerous for people who barely survive while they have to struggle every day. â€Å"Over 31,849,838 had been killed by natural disasters in the past century† [1]. These are just a few of the natural disasters that can strike any country one of several in the world. Natural Disasters can cause many different catastrophic effects to many developing countriesRead MoreRemote Sensing And The Disaster Management1646 Words   |  7 Pagesinformation along a wide area to the details of a few metres can be obtained through the use of remote sensing data. With the help of large amount of spatial data the impacts of disasters can be manage and assessed. Hence, the remote sensing can help in the disaster management in various applications. 2. NATURE HAZARDS AND DISASTER MITIGATION IN NEPAL Nepal is a mountainous country represented by many geological structures, fractured rocks, steep hill slopes and diverse climate and intense precipitationRead MoreThe Wine Industry1709 Words   |  7 PagesNapa County is best known for its world renown wineries. The wine industry is the central economic driver in Napa and Sonoma counties. It boasts itself as the world’s fourth largest wine producer. Napa and Sonoma County’s farming industry employs thousands of farm laborers, sales reps, and sommeliers. Additionally, the wine industry thrives on tourism and exportation of goods. This requires thousands of support industries such as shipping companies, hospitals, and hotels. â€Å"In 2015, the wineRead MoreHurricane Katrin A Devastating Storm1576 Words   |  7 Pagesbut it was more than just a natural disaster. The general public and even some top officials are quick to dismiss this great storm as an inevitable force of mother nature as if it was just another hu rricane of the season. In doing so, they subscribe to a mindset that is actually a disservice to those who suffered Hurricane Katrina’s wrath. A myriad of publications like Come Hell or High Water, Overcoming Katrina, and There is No Such Thing as a Natural Disaster has exposed a startling light on how

Influencer Marketing Social Media Strategy â€Myassignmenthelp.Com

Question: Discuss About The Influencer Marketing Social Media Strategy? Answer: Introducation Introduction: Mr Wong restaurant located at 3 bridge lane sydney , australia is one of its kind cantoneese restraunt. The restraunt has been talk of the town since its opening in 2012. The restraunt has won number of awards recognition and accounting for its quality of food, ambience and its wine selection. It can be established that its one of the best cantoneese restaurant In the town.Mr wong restaurant is established under the famous Merivale brand, managed by Hemmes family, who are the pioneers in the hospitality industry. Mr wongs restraunt is among the 65 restraunts that falls under Merivale brand. Digital marketing is seen as one of the key facets to any business in existence. It can be understood as utilizing the online platforms available for marketing and promotion of goods and services (Ryan, 2016). With the population growing digital and the digital literacy increasing at a rampant rate, it will be absolutely foolish to not promote the services on the platform (Chaffey, Smith Smith, 2013) Mr wong restraunt has its existence on almost all the social media platforms, to name a few, facebook, twitter, instagram, you tube, zomato, yelp, time out, trip advisor. It really has a strong presence on these social media platforms, with number of posts realted to the food, ambience, people, parties, cuisines , review, feedback on these platforms. There can also be seen an average level of engagement on the posts of wongs restaurant. The failure of digital marketing strategy can be owed to basically 3 factors: Wrong audience targeting Less engagement hence low conversation rates Poorly times posts Frequency of posts Absence of its own twitter handle and website In the report further we will see, how these different platforms actualy perform for wongs restaurant. Target Audience: It can be defined as the audience which are tagetted for marketing and promotion of a particular good or services. Its a group of people, who are most likely to purchase our servcies and our product offering (Gutt, 2014). The target audience is defined after understanding the demographic the food will appeal to, the pricing of the food, the ambience and atmosphere, the surrounding area or the locality, what image the brand wants user to perceive in their head (Lu, Ba,Huang Feng,2013). The target audience can be defined for wongs restraunt keep in mind its expenssive colonial theme dcor, its lavish timber furnishing and an absolutely huge 240 people sitting here for wine and dine. The restaurant has many renowned chefs to its disposal, hence the pricing for its food items increases. The restraunt besides providing cantoneese food , also specializes in french food , making it a great choice for economics travellers as well. Keeping all the above mentioned points the t arget audience for wong restraunt can be: Target Audience Characterstics Affluent class( upper middle class higher) Deep pockets, businessman, corporate professionals entreprenaurs, rich family history. Aristocrats diplomats People having a legacy in australia and also highly paid governement officials. Food connaiseaur People who love to try different cuisisnes and appreciate the taste, the quality. These are the people who finely analyze and understand the food which they enjoy, also , a source of positive word of mouth publicity Travellors European travellors , or any other country travellors, who like to explore the food from different continents and are very experimental Population within the 5 miles of Radius People staying neraby often end up dining at a place which is near to them Corporates Sydney being a hub to a great number of companies, individuals working have a good earning power, hence targetting the same for corporate lunches, dinners, cocktail parties would be a great advantage for the restraunt. Facebook: Facebook is worlds largest social online paltfrom used by more than 2 billion people monthly. Facebook has grown immensely over the last decade owing to increased levels of digital penetration in not only urban, but rural areas as well. The growing popularity of facebook has forced consumer brands to have their existence on the social media giant (Ahmed Ibrahim, 2017). Presently 68% of all the world large, medium small scale establishment are on facebook and the share of voice is increasin at an exponential rate. Every brand is trying to engage with the consumers or its audience on facebook, they try to derive meaningful converations and based on that implement hanges in the brands strategy for growth and development (Grgic Mucnak, 2017) Australia has a total population of 24.4 million, out of which 17 million people are active facebook users, with such a huge penetration in the continent, it would be really asinine to not use the biggest social media tool on the face of earth (Sinclair Grieve, 2017) Wong has a great presence on social media, and has really done wonders in its 5 years of existence. Facebook stats for the restaurant revelas almost 20k people have liked and follow the page, over 1 lakh people have visited the facebook page. The numbers are really fantastic considering the competition in the surrounding area and its niche target audience. The page has got a rating of 4.6,which is absolutely terrefic. Going forward, some of the strategies which would improve the Facebook statistics and the popularity of wongs restraunt and at the same time drive more converation can be: It seems that the restraunt is not posting regularly for its target auidence, thus leaving them blank for a while and breaking the connect with the restraunt, posting of content and feed in regular intervals would help the restraunt in increasing its followers count and the likes. The timing of the post is equally essential, facebook infographics says that the best time to post a content has to be between 6 to 10 pm, this should be kept in mind while posting content. For a restraunt, whats pivotal is sharing lots and lots of food related pictures, sometimes, ingrediants and speciality of the dish, this would give them number of food conniesueurs longing to eat at their place. The engagement of posts on wongs page is very less, its that out of 10 posts, only 2-3 posts gets engagement, that too minimalisitic, hence the posts have to really engaging, filled with content and should have a call to action for the users. Interacting with consumers posts- People posting on the restraunts page, have to be acknowledged and thanked for their time and effort Instagram: Instagram is no longer a platform which shows gazillion selfies, last year the platofrm acquired more than 600 million active users, making it the third most used social platform after facebook and you tube. In australia almost 5 million people are on instagram. Wong has a total of 42.8k followers with almost 1021 posts to drive conversations (Che, Cheung Thadani, 2017). The instagram page of the restraunt is beautifully created with timely posts , but still lacks here and there a bit. Some of the strategies which can work in the favour can be: The quality of picture can be increased, with more realtime pictures. More pictures of the recent times, showcasing celebration, oy, victory, triumph, or something that generates excitement in the heads of its viewer. Periodic discounts or offers can be shown to its followers, who are not a part of their targetting but in turn can come under the targetting purview due to some discount or coupons Relevant hashtags are missing, example hashtags relted to particular cuisisne, tracing it to its origin and some history about the dish, all this info if included will be a great source of engagement for its followers. Twitter: Another , one of the largest micro blogging platform having over 3Mn australians tweeting in 140 words or more. An impeccable platform when it comes to targeting to the right audience and spreading a word in the marketing. Also, with the new change in the algorithm that the pictures/ GIF will not be counted in 140 word limit makes the platform irrestible for marketers (Park Kaye, 2017). Some strategies which wong restraunt should adopt in order to improve the twitter stats and conversion can be: Use of relevant keywords and hashtags Influencer marketing-Asking an influencer to tweet promoting the restraunt, it will drive a lot of awareness and does interest leading to desire to visit the restraunt and finally audience will take an action and visit the lovely place(Hobson ,2017) Having a twitter handle of their own-Its observed that wong restraunt is using twitter handle of the group brand, in this case, the audience gets diluted and the connection bulding with the brand becomes difficult. Conclusion: The above mentioned strategies will help Wong restaurant to reach its targeted audience. As mentioned, consumer profiling coupled with the right marketing strategy will help Wong restaurant in penetrating the market. The timing as mentioned is extremely critical while uploading the posts. At the same time the content must have a good relevancy to the audience and more and more posts on a daily basis will ensure better engagements and draw more conversions for Wong restaurant. The taste of Wong restaurant will thus be spread across the town with positive word of mouth and its strategically marketing on Facebook, instagram, twitter, newsletters and blogs. References: Ryan, D 2016, Understanding digital marketing: marketing strategies for engaging the digital generation, Kogan Page Publishers. Chaffey, D., Smith, P.R. and Smith, P.R 2013, eMarketing eXcellence: Planning and optimizing your digital marketing, Routledge. Gutt, E.A 2014, Translation and relevance: Cognition and context, Routledge. Lu, X., Ba, S., Huang, L. and Feng, Y 2013, Promotional marketing or word-of-mouth? Evidence from online restaurant reviews, Information Systems Research, 24(3), pp.596-612. Grgic, I.H. and Mucnjak, D 2017, Croatian and Irish public libraries on Facebook, Qualitative and Quantitative Methods in Libraries, 1(3), pp.267-275. Ahmed, A. and Ibrahim, M 2017, Business Value of Facebook: A Multiple Case Study from a Developing Country, Pacific Asia Journal of the Association for Information Systems, 8(4). Sinclair, T.J. and Grieve, R 2017, Facebook as a source of social connectedness in older adults, Computers in Human Behavior, 66, pp.363-369. Park, C.S. and Kaye, B.K 2017, Twitter and Encountering Diversity: The management Role of Network Diversity and Age in the Relationship Between Twitter Use and Crosscutting Exposure, Social Media+ Society, 3(3), p34 Hobson, R 2017, The integration of influencer marketing into social media strategies (Doctoral dissertation, University of Cape Town).

Linear Motion Lab Essay Example

Linear Motion Lab Paper 2. LINEAR MOTION In this experiment you will study the motion of an object in one dimension from a number of points of view. You will demonstrate how the variables of motion are related by differentiation and integration and investigate the relationship between potential and kinetic energy. Theory Why Study Motion? Motion is everywhere in the universe. Only at a temperature of absolute zero is the motion in any body truly absent. If motion exists then so also does energy. To the delight of the modern-day physicist the tools that were invented by Galileo Galilei, Isaac Newton and others 200 years ago to describe motion apply everywhere in the universe, from electrons in our own bodies to the farthest galaxy. The study of motion and of energy is at the heart of physics. This experiment deals with motion of the simplest kind, motion in one dimension or motion in a straight line. Kinematics and Dynamics The subject of motion is divided for convenience into the subtopics of kinematics and dynamics. Kinematics is concerned with the aspects of motion that exclude the forces that cause motion. In a manner of speaking, kinematics is focussed on the development of definitions: position, displacement, velocity, acceleration and on the relationships that exist between them. Dynamics widens the study of motion to include the concepts of force and energy. Definitions Position Kinematics begins with the idea of position. Suppose that we photograph an object moving to the left along a horizontal path at two instants of time and superimpose the images for study (Figure 1). We will write a custom essay sample on Linear Motion Lab specifically for you for only $16.38 $13.9/page Order now We will write a custom essay sample on Linear Motion Lab specifically for you FOR ONLY $16.38 $13.9/page Hire Writer We will write a custom essay sample on Linear Motion Lab specifically for you FOR ONLY $16.38 $13.9/page Hire Writer We examine one image with a ruler and mark off the number of units that separate the object from the ruler’s zero. The zero is a reference or origin at a position of zero units by definition. The position of the object at any another place is, say x units. x is an instantaneous quantity since it applies to a specific clock time—the instant the photograph was taken. Position like length is a basic quantity and is dependent only on the unit used. But position involves direction also. In principle the object could be to our right or to our left. To include the information of direction we use a vector. The magnitude or length of the vector, say r, is r (or perhaps x), while the direction is to the right, meaning the object is to the right of the reference point. We could also agree that, by convention, the sign of x is positive in this particular case. Elapsed Time The two positions of the object in Figure 1 must be described with different vectors and different clock times. The photographs can be said to show two events, an initial â€Å"i† event and a final â€Å"f† event. There is now an elapsed time between the events equal to the simple difference: ?t = t f – t i , †¦[1] unit seconds, abbreviated s). Keep in mind that the concepts of clock time and elapsed time are different; an elapsed time is the difference between two clock times. L2-1 L2 Linear Motion 0 rf clock time tf object ri displacement ? r = rf – ri clock time ti object ? r = v ? t Figure 1. This drawing illustrates an object moving toward the origin (left) â€Å"photographed† at two positions. The corresponding clock times are indicated. Position, displacement and velocity vectors are given different head styles to emphasize their different natures. Displacement Displacement differs from position. In the elapsed time between the events the object moves from one position to another. The displacement is the difference between the two vectors describing the two positions: d. Eq[3] then becomes what is known as the instantaneous velocity ? dr ? =v. dt †¦[4] ? ? ? ? r = rf – ri , †¦[2] (unit meters, abbreviated m). Displacement, being the difference between two vectors, is also a vector. The displacement is negative in this case (according to our convention) since it points towards the origin. Velocity Average Velocity. Another quantity in kinematics is the average velocity. This is the displacement an object undergoes in one second of elapsed time. It is the ratio ? ? This quantity is abstract and tricky to imagine: it can be thought of as the average velocity that might be measured with a superior detection system over an infinitely short elapsed time (or the velocity at a specific clock time). In practice, with equipment available in a first year physics lab, it can be measured only approximately. If the displacement is known as an analytical function of time, r(t), then the instantaneous velocity at some clock time t0 is the tangent to the function at t0, or the first derivative of r(t) at t0. The finding of tangents is one of the objectives of this experiment. Acceleration The velocity of the object in Figure 1 may change with time. The velocity might decrease as a result of a force of friction between the object and the path. Or the velocity might increase if the path were not horizontal and a component of the force of gravity acts on the object. The time rate of change of the average velocity is called the average acceleration and the time rate of change of the instantaneous velocity is called the instantaneous acceleration. Both types of acceleration are defined as in eqs[3] and [4] with â€Å"v† subsituted for â€Å"r â€Å"and â€Å"a† substituted for â€Å"v†. ? ? r rf – ri ? = =v, ? t ? t †¦[3] (unit meters per second, abbreviated m. s–1). The average velocity, being a vector divided by a scalar, is a vector. The average velocity is negative here, too, since it points towards the origin. The magnitude of the average velocity is the speed. The elapsed time in eqs[1] and [3] is a finite interval. What would happen if this interval were infinitely small? Mathematically speaking, this amounts to taking the limit of eq[3] as ? t>0. The increments ? ust be replaced by the differentials L2-2 Linear Motion L2 Motion of an Object Whose Velocity is Constant In this experiment you will mostly be studying the motion of an object whose velocity is changing. However, for purposes of completeness we first consider motion at constant velocity. The case of an object moving t owards the origin on a horizontal plane is drawn in Figure 2. We suppose that the data pairs (t, r), where t is the clock time and r is the position are measurable at regular intervals by some detection system. Two such points when plotted on a graph might appear as shown in the upper half of Figure 3. A computer could be programmed to calculate the â€Å"average velocity† as the slope between the two datapoints and plot it as a point on a graph (lower half of Figure 3). The result is negative, the sign indicating the direction of the velocity vector. The computer software used in this experiment does something similar by finding the average velocity by averaging over the slopes between a number of datapairs (7 by default). Thus if a number of datapoints were measured and the results plotted on a graph, the result might resemble Figure 4. As the glider approaches the origin here the position decreases but always remains positive. The velocity remains at a constant negative value. The velocity is therefore just the derivative or the slope of the displacement versus clock time graph (or the slope of the position versus clock time graph here in one dimension). The velocity is seen to change little (if at all) with clock time and so the acceleration (decceleration) is very small. Motion Detector 0 clock time: tf rf clock time: ti ri positive displacement ? r = rf – ri v = ? r also to the left ? t Figure 2. An object is shown at two positions (events) while moving toward a detector on a horizontal plane. ti , ri ) Position ( tf , rf ) clock time Velocity ( tf , vf ) Figure 3. A graph of the two position-clock time datapoints described in Figure 2. Shown also is a point on the velocity graph as it might be generated from the slope between the two datapoints multiplied by the sign of the velocity vector. L2-3 L2 Linear Motion Figure 4. Typical position and velocity graphs as might be produced for an object mo ving as shown in Figure 2. Can you see how these graphs are consistent with Figure 3? Motion of an Object Whose Velocity is Changing with Time In this experiment you will mostly be ignoring the effects of the force of friction. However, for purposes of understanding it is useful to consider friction briefly. A small force of friction must exist between the glider and the layer of air on which it moves because the glider is seen to slow down. Friction acts opposite to the direction of motion (to the right in Figure 2) and therefore produces an acceleration also toward the right. This acceleration is often described as a decceleration in the sense that it is opposite to the velocity and describes a velocity decrease. (The object is slowing down. The velocity and acceleration versus clock time graphs in this case will resemble Figure 5. It is known from other experiments (â€Å"Simple Measurements†) that the force of friction, though small, has a complicated functional form giving rise to a decceleration that depends on the first (and sometimes the second) power of the speed. Gravity, unlike friction, is a constant forc e and is therefore much easier to deal with; the effect of gravity on motion we consider in the next section. Figure 5. Velocity and acceleration graphs for an object moving as shown in Figure 2 while subject to a small force of friction. Remember, graphed here are the magnitudes of the vectors multiplied by the sign corresponding to the direction of the vectors. Motion of an Object Whose Acceleration is Constant and Nonzero An object moving with constant non-zero acceleration down an inclined plane (neglecting friction) is shown in Figure 6. Its free body diagram is drawn in Figure 6b. Starting from the assumption that the acceleration is constant and nonzero we can develop the mathematics of the object’s motion using successive integration. If friction is negligible, then the L2-4 Linear Motion L2 agnitude of the force giving rise to the object’s movement is the component of the force of gravity along the incline, that is, where C2 is another constant of integration. C2 = r(0), the position at a clock time of 0 seconds; thus F = ma = –mgsin ? , †¦[5] r(t) – r(0) = 1 2 at + v(0)t . 2 †¦[9] where the minus sign means that the force vector points towards the origin. The glider†™s instantaneous speed at some arbitrary clock time t is obtained by integrating a from eq[5]: 1 v(t) = ? adt = at + C1 , where C1 is a constant of integration. C1 is the instantaneous speed at a clock time of 0 seconds, i. . , the quantity v(0); thus We can now make the following correspondence. If at event i we let ti = 0, then ri = r(0) and vi = v(0). Then we can also write for the event f, tf = t, rf = r(tf) and vf = v(tf). Then equations [9] and [7] take on the more familiar forms: rf – ri = and 1 2 at – v it 2 †¦[10] †¦[11] v f = vi + at . v(t) = v(0) + at . †¦[7] The glider’s position at the clock time t is found by integrating v(t) from eq[7]: r(t) = ? v(t)dt , = ? (at + v(0))dt , = 1 2 at + v(0)t + C2 , 2 †¦[8] In this experiment you can test these equations with the detection system and software several ways. Firstly, you can test if the position, velocity and acceleration data you collect really is described by functions of the form of eqs[10] and [11]. In other words, you can perform polynomial â€Å"fits† to the data, finding in the process the value of a. You can test the differential and integral relationships between the variables by invoking the options of slope and integral. These are some of the objectives of this experiment. ti , vi tf , vf Motion Detector rf m g sin ? 0 ? ? r = rf – ri (a) (b) ri posi tive N mg Figure 6. (a) A object is shown at two positions while moving down an inclined plane. The object’s free body diagram is shown in (b). The object is â€Å"pulled† toward the origin by the component of the force of gravity mgsin?. The acceleration is negative here according to the sign convention employed by the detection system. L2-5 L2 Linear Motion Work and Mechanical Energy In Figure 6 the object is shown moving down an inclined plane. It is therefore accelerating. Any time an object is accelerating, work is being done upon it. The concepts of force and energy take us in this section into the area of dynamics. The concepts of work and energy are closely related. The work done on a point mass2 by a net constant force F is defined Work-Energy Theorem the work done on an object goes to increase the object’s mechanical energy. This energy can be either kinetic energy, potential energy, or both. Both types of energy can be defined with reference to Figures 7 where an object of mass m is shown responding to an applied force in two ways. In Figure 7a the object is being moved to the left in our field of view along a horizontal, frictionless surface. In Figure 7b the object is being moved vertically upwards. Figure 7a enables us to define kinetic energy most easily. Figure 7b enables us to define potential energy. We first consider the former in the next section. ? ? W = F †¢ r = Frcos ? , †¦[13] (unit joules, abbreviated J). Here r is the object’s displacement vector and ? is the angle between the vectors F and r. (The †¢ symbol indicates the scalar or â€Å"dot† product of vectors. ) According to the F m hf Fg ? v = 0 F speed vf m ? h = 0 F speed vi m ? h reference position m Fg Figure 7. An object is shown responding to a force in two ways. In (a) the surface is horizontal and frictionless, so the work done by the source of the force F goes entirely into increasing the object’s kinetic energy. In (b) F is greater then the weight | F g | of the object by some infinitesimal amount so the work done by the source of the force goes entirely into increasing the object’s potential energy. F (a) hi (b) L2-6 Linear Motion L2 Kinetic Energy Suppose (Figure 7a) that we are able to measure the instantaneous speed of the object at the clock times ti and tf when the object is at positions ri and rf, respectively. The object is receiving a force F and is being accelerated. In general, F is not constant. The work done on the object between ri and rf is, from a generalization of eq[13] 3 1 1 = m? v 2 – vi2 ? . f ? 2 ? The work done is therefore the difference between two terms: W= 1 2 1 2 mv – mv . 2 f 2 i †¦[14] ? ? ? ? W = ? F †¢ dr = m? a †¢ dr = m? adr , since the vectors a and dr are parallel. Changing the variable of integration from r to v gives 4 If we call the expression mv2/2 the kinetic energy Ek, or the energy of motion, eq[14] can be written W = Ekf – Eki = ? Ek . †¦[15] dv dr ? , W = m? ? ? dt dt dt ? = m? v vdv , i vf In this particular case W is a positive number, i. e. , the kinetic energy of the object is increasing. The work done on the object is therefore equal to this increase in kinetic energy. This is one-half of the Work-Energy Theorem. Potential Energy If we assume in Figure 7b that the magnitude of the applied force F is insignificantly greater than the weight of the object acting downwards then the object moves upwards a distance ? h = hf – hi in some elapsed time at zero speed (thus acquiring negligible kin-etic energy). From the definition, eq[13], the work done on the object is W = E pf – Epi = ? Ep . †¦[17] ? ? W = ? F †¢ dr , = ? h mgdr . i hf Once again the work done is seen to be equal to the difference between two terms: W = mghf – mghi . †¦[16] If we call the expression mgh the potential energy of the object at the position h relative to the position 0 and denote it Ep we can write eq[16] as This is also a positive number. Thus the work done on the object is equal to the increase in the object’s potential energy. This is the second half of the Work-Energy Theorem. The change in kinetic energy is zero here. This energy is potential energy, gravitational potential energy to be exact. This is the energy an object possesses by virtue of its position relative to some reference position in a gravitational field. This energy is the work required (by us) to move the object (very slowly) to the final position from the initial, reference position. Now Figures 7 describe two idealized situations where the object is moving either horizontally or vertically. Should the object be moving on an inclined plane it will be moving at an acute angle relative to the horizontal and will therefore undergo changes in both kinetic and potential energy. One of the objects of this experiment is to study this general case. L2-7 L2 Linear Motion The Experiment Exercise 0. Preparation First Steps Identify the glider stowed on top of your air blower. Find the spacer. Identify the detector (the blue box) mounted just beyond the near end of the track) and the universal interface (ULI) board mounted on the front of the blower box. Simple Measurements You are going to log the glider’s mechanical energy so you need its mass. You can weigh it on one of the electronic balances in the lab. Measure the thickness of the spacer with the vernier caliper. The Air Track The object whose motion you will study is a glider on an air track (Figure 8). An air track is an ideal device for studying the motion of an object like a glider since it supplies a thin film of air on which a glider, having just the right shape, can move with reduced friction. Identify the air track’s two rear feet and its single front foot. Confirm that elastic bands are in place to serve as bumpers for the glider. The detector and associated electronics in the ULI board log the glider’s position at clock times you can select. The detector emits pulses of ultrasound at a frequency of 50 kHz. These pulses travel out from the detector through the air, reflect from the reflector on the glider and then return. Since the speed of ultra-sound in air at room temperature is known, the computer is able to calculate the distance of the glider from the detector (the position) by timing the round trip of the pulse. 5 To get velocity and acceleration, the computer makes several measurements and calculates averages and rates of change. Motion Detector near bumper far bumper single front spacer goes under front footpad ? X = (2. 29  ± 0. 01) m spacer Y Figure 8. The air track shown in an inclined position (scale is exaggerated here). X is the distance between the single front foot and the midpoint of the two rear feet. For all tracks X = (2. 29  ± 0. 01) m. L2-8 Linear Motion L2 Checks to Minimize Friction To ensure that your glider moves with minimum friction check the following: Motion setup should run. The Opening Screen The opening screen shows three narrow graph areas (one of which is shown in Figure 10). The position versus clock time graph should be currently selected (a box should be drawn around it). To select any graph move the mouse to position the cross-hair pointer over the graph and then click the mouse button once. Notice on the clock time axis of the graphs that the program is set by default to record for 10 seconds. The Expected Value of Acceleration Locate the spacer you will be placing under the front footpad of your track. Based on the geometry of Figure 8 what value of acceleration should you expect for your glider? You need this number in the formula for potential energy (next section). Entering Formulas LoggerPro automatically computes velocity and acceleration from the basic values of position it records, but it must be instructed to calculate energy (since energy depends on your glider’s mass). You have to enter the formulas into LoggerPro’s spreadsheet. To do this select Data New Column Formula. Figure 9 shows a fragment of the screen which then appears. On separate calls to New Column enter formulas for kinetic energy, potential energy and total energy as is shown in the figure. Pay attention to the common spreadsheet syntax (â€Å"*† means multiply, â€Å"^† means to the power of, etc. ) Notice that you can select variables and functions from the popdown lists. You enter velocity as â€Å"Velocity† which you can either type in yourself or select from the Variables popdown list. Take your time here. Your TA will help you with these tasks. The formula you will likely have the most difficulty with is potential energy. Convince yourself the formula can be written ? Ep = m x (expected value of a) x position. Or, in LoggerPro notation: ? If ON, turn any and all equipment OFF. ? In order to run properly, the â€Å"V† angle of your glider must match the â€Å"V† angle of your track. Read and follow the instructions on the blower box. Turn the air blower ON. In order to run properly, your glider must be supported by air at sufficient pressure. Read and follow the instructions on the blower box. ? ? Level Check Your air track must be level when you start this experiment otherwise your glider will experience an unaccounted for acceleration. To check for level first remove any spacer that might have been left under the front footpad of the track. Place your glider on the midpoint of the track and look for any drifting right or left. If your glider does drift adjust the screw on the front foot of the track to compensate. When the track is level your glider should not drift appreciably left or right. Setting up the ULI Board Turn the ULI board ON by means of the switch located in its lower right hand corner. A LED on the board should glow red or green. ? Booting LoggerPro To boot the program follow these steps: ? With the computer ON log into your account n the FISSURE server as you learned to do at the Orientation Workshop. (If for any reason you cannot log in you can save your work temporarily in the â€Å"Student Temp Save† folder on the local hard drive. In any case, you can log in and out at any time. ) On the local harddrive â€Å"Macintosh HD†, locate and open folders in this order: â€Å"Physics† †PHYA10 †02. Linear Motion†. Inside â€Å"02. Linear Motion† double click the icon Linear Motion. LoggerPro and the Linear ? ? L2-9 L2 Linear Motion m * (expected value of a) * â€Å"Position†. What is the expected value of â€Å"a† based on a 2 cm spacer? If later, you find you have made a mistake in typing and wish to modify or remove the column go back to Data Modify Column and correct your mistake. When ready click OK. Changing the Graph in an Area By the time you have finished entering these formulas you may observe that the label down the left hand side of the graph has changed (look ahead to the left hand side of Figure 10). You can change what is displayed in a graph area. To do this place the pointer over the label and hold down the mouse button. You can then select the graph you wish from the list of Columns to Plot. Do this now to change the label on the first graph back to r (m). Figure 9. A fragment of the screen which appears when you select New Column. Exercise 1. First Launch, More Options and First Observations The objective of this exercise is to obtain some data from a first launch, to explore a few options of the program and to examine the data qualitatively. First Launch After you have levelled your air track to your satisfaction place the spacer under the front footpad of the track. The track is now inclined by some angle. Now release (don’t push) the glider from the top end of the track. Make sure the glider’s reflector is facing the motion detector. It is suggested that you record data between two bumps of the glider with the lower end of the track. When you are ready, click the Collect button. Repeat a few times to get graphs to your liking. After 10 seconds you should see screens resembling Figure 10. You should have 6 graphs of information altogether: Position, Velocity, Acceleration, Kinetic Energy, Potential Energy and Total Energy (the last three you have to select using Option 1 below). Before you get down to serious business you may wish to investigate one or more of the following options. However, if you wish to bypass the options you can go directly to the section First Observations. Option 1. Changing the Graph in an Area Notice in Figure 10 the label â€Å"r (m)†. You can L2-10 Linear Motion L2 change what is displayed in a graph area. To do this move the mouse to place the pointer over the label and hold down the mouse button. A list of Columns to Plot will then pop down. Select the graph you wish to be displayed in the area from this list. Option 2. Number of Panes You may wish to display one graph at a time or as many as four graphs. To change the number of panes select View Graph Layout†¦. Then click on the number of panes selection you wish. Graph produced by LoggerPro, copied to the clipboard and pasted directly into Microsoft Word. Figure 10. A Position vs time graph. This is one of the six screens of information you have collected at this stage of the experiment. Option 3. Saving If you wish to save your experiment choose File Save As†¦. Make sure you save your file in your account space on the campus server or in the â€Å"Student Temp Save† folder on the local hard drive. Option 4. Preparing for Printing Eventually, you will want to print your graphs on the laserwriter printers in the physics lab as proof of your work. To prepare for printing, choose File Page Setup. Fill in your name and any comment you wish to have appear beneath your graphs on the printed page and then click OK. Your partner may change this later to print graphs for his or herself. Option 5. Printing Before you attempt to print anything on the laserwriter printers in the physics lab, confirm that your output will go to the printer you expect. Select Chooser LaserWriter 8, then confirm that the correct printer (Physics LaserWriterI or PhysicsLaserWriter2) is selected. If in doubt about a printing issue ask your TA. To actually print a graph choose File Print Graphs. First Observations Before you apply mathematics to your data in any experiment it is often useful to obtain an overall qualitative â€Å"impression† of your data to determine if it is â€Å"reasonable†. To this end consider these questions: Questions: ? With reference to eqs[10] and [11] do you have a graph which is quadratic in time? Linear in time? Which graph describes a constant (between bumps)? ? Your position versus clock time graph resembles the path of a projectile in two dimensional space. Why? ? Explain in your own words why the velocity and acceleration graphs have the form you observe. ? From your velocity versus clock time graph you should be able to find a clock time at which the velocity of the glider was zero. What L2-11 L2 Linear Motion was the acceleration of the glider at this clock time? If the velocity of a body is zero can its acceleration be non-zero? Explain. With LoggerPro’s tools you can call up instantaneous values and tangents. To see instantaneous values choose Analyze Examine. One of the graphs will resemble Figure 11. If you now choose Analyze Tangent the tangent or slope at the position of the cursor will be shown on the graph. By means of the tangent function can you demonstrate to your satisfaction the validity of eq[4] and its counterpart for acceleration? A few tests are sufficient because you will continue this study in Exercise 3. When you wish to turn Analyze OFF choose Analyze Examine a second time. A better test of the validity of eqs[10] and [11] is a polynomial fit. This you will do in the next exercise. Graph produced by LoggerPro, copied to the clipboard and pasted directly into Microsoft Word. Figure 11. One of the six graph screens with Examine turned on. As you move the cursor with the mouse the position and time are updated at the top left corner of the screen. Exercise 2. Fitting Functions to Data The objective of this exercise is to test the validity of eqs[10] and [11] by seeing if they can be fitted to the appropriate set of your data, position, velocity or acceleration. The result of the fitting will yield the acceleration â€Å"a†. This value you can then compare with the â€Å"expected value† of Exercises 0 and 1. Fitting To fit a function to your data first select (click on) the appropriate graph. Then choose Analyze Examine. Place the cursor at the beginning of the range you wish to fit, hold down the mouse button and drag over the range you wish fitted. Make sure the range you select does not include a bump (after all, you are interested in linear motion and a bump is defnitely non-linear). If you wish to fit a straight line choose Analyze Linear Fit. If you wish a different kind of fit (a quadratic for example) choose Analyze Curvefit. The result of a linear fit might appear as shown in Figure 12. For this process to succeed you must pay close attention to the function to be fitted and the terms to be included. For example, eq[11] is what kind of function of time? Linear? Quadratic? What is the slope? What is the intercept? If you wish more information on the linefit (more digits etc) double click on the bar of the information window. The result will resemble Figure 13. L2-12 Linear Motion L2 Fit Results Find the acceleration â€Å"a† from the results of the fit of all three graphs (position, velocity and acceleration). How do the a alues compare with each other and with the expected value? Comment on the quality of the fits. If the fits are good it can be said that the equations â€Å"describe† the data. Graph produced by LoggerPro, copied to the clipboard and pasted directly into Microsoft Word. Figure 12. A range of data on a velocity vs clock time graph has been selected (shown by the square brack ets) and fitted to a straight line. To request more information about a fit double click on the bar of the fit information window (Figure 13). Graph produced by LoggerPro, copied to the clipboard and pasted directly into Microsoft Word. Figure 13. The graph of Figure 12 showing more information about the linefit. The slope is now seen to be -0. 0897  ± 0. 0001. Cor is the correlation coefficient. Exercise 3. Differentiation and Integration The objective of this exercise is to investigate how the variables of motion are related by differentiation and integration. Differentiation (Slope Studies) Identify the sections on the position versus clock time graph where the glider is moving towards and away from the origin. Explain in your own words why the position increases or decreases and when. Is the value obtained for the slope of the position versus clock time graph at some arbitrary clock time consistent in magnitude and sign with the value given for the velocity? Is the value obtained for the slope of the velocity versus clock time graph consistent in magnitude and sign with the value given for the acceleration? A few tests will suffice. L2-13 L2 Linear Motion Integration (Area Studies) Comparing two variables of motion related by differentiation—when one is the slope of the clock time graph of the other—is easy. But what if the relation is integration? To prepare ourselves we put eqs[9] and [10] in this form: (t 2 ) – r(t1 ) = ? t v(t)dt , 1 t2 †¦[18] where t1 and t2 are, of course, the clock time limits. As preparation for the following studies describe eq[18] in your own words. What does its left hand side mean? What does its right hand side mean? You might wish to include in your word description the phrases â€Å"difference between† and â€Å"area under the curve of†¦ † or other equivalent phrases. Pay attention to the clock time limits. If you understand this expression enough to explain it in your own words you will have no trouble with the following activities. Calculating the area under a curve is easy with the software supplied. LoggerPro will compute the area under a region of a curve you select, i. e. , between two limits. You must first select the region by dragging with the mouse as was illustrated in Figure 12. Pick a region of the velocity versus clock time graph between two bumps (which is linear) and drag over the region to select it. Next choose Analyze Integrate. Your result might resemble Figure 14. Do your best to confirm eq[9]. Repeat in a similar fashion for the relationship between the velocity and acceleration. Graph produced by LoggerPro, copied to the clipboard and pasted directly into Microsoft Word. Figure 14. A velocity vs clock time graph showing an integration. The area under the curve for the time limits chosen is 0. 222 m/s/s. Other Features and Other Questions There are other features of the graphs whose interpretation involves interesting physics. For example, explain in your own words and with sketches why the features shown in Figures 15a and 15b appear on the velocity and acceleration graphs. Why does the acceleration go from zero to a maximum positive value then drop to zero again? Explain why both â€Å"positive† and â€Å"negative† bumps appear on the acceleration graphs. Does the magnitude of the velocity have the same value after, as before, a bump? What does this say about the kind of collision at the bump? L2-14 Linear Motion L2 Figure 15. Interesting structures in the velocity and acceleration graphs. Exercise 4. Energy The objective of this exercise is to examine as many aspects of energy as time permits. Viewing the Energy Graphs To view the energy graphs follow the procedure of Option 1 of Exercise 1. Your total energy graph may or may not resemble Figure 16. Observations and Questions Explain in your own words the characteristics of the kinetic energy graph. That is, answer or otherwise account for the following (interrelated) questions: Conservation of Energy Questions: ? Is mechanical energy conserved in this experiment? If not, why not? ? Why are the potential energy and kinetic energy graphs curves and not straight lines? Energy Loss Of course, friction is present here and does account (at least partially) for the decline in total energy. Explain how you might calculate the total energy lost per second? Other Questions What might be another source of energy loss besides friction? How would you go about quantifying this loss? ? ? ? What accounts for the â€Å"dips† in the kinetic energy graph? The dips in the kinetic energy graph show that the kinetic energy is zero for a brief instant. How is it possible for the glider to lose all of its kinetic energy and then regain it again? Describe all instances of work being done and by what agent. ? ? Graph produced by LoggerPro, copied to the clipboard and pasted directly into Microsoft Word. Figure 16. A total energy vs clock time graph. The energy is nearly a constant here at just under 0. 05 J. It would still be useful to find the energy lost per second from a linefit. L2-15 L2 Linear Motion Physics Demonstrations on LaserDisc There are many physics demonstrations on laserdisc dealing with motion in one dimension. Here are just a few of them: from Chapter 2 Linear Kinematics Demo 01-08 Constant Velocity Demo 01-11 Constant Acceleration from Chapter 3 Linear Dynamics Demo 03-01 Air Track Friction Stuart Quick 2003 End Notes for Linear Motion 1 2 If you can’t follow the calculus here go directly to the main equations [10] and [11]. By point mass is meant an object whose internal structure is to be neglected. Or in other words, a point mass is an idealized object of mass m of infinitely small size. Some of the work done on an object of finite size could conceivably go into increasing the object’s internal energy, something we wish to avoid here. In this guidesheet the word object will mean point mass. 3 If you wish to bypass the calculus go directly to the main results, eqs [15] and [16]. 4 5 This change is effected by putting a = dv and dr = dr dt. This is similar to how a bat sees in the dark using its own kind of ultrasound. It is also how a Polaroid autofocus camera determines the distance to an object to focus properly. Similar principles apply to ultrasound devices used in medicine and to various range-finding devices. dt dt L2-16

Neocolonialism and Global South

Neocolonialism and Global South The term neocolonialism was coined by Kwame Nkrumah, a former President of Ghana to explain the political, social and economic control which can be propagated culturally, linguistically and economically.Advertising We will write a custom research paper sample on Neocolonialism and Global South specifically for you for only $16.05 $11/page Learn More The overall objective of the control is to enhance and promote the culture of the neocolonialist state(s) among the citizens of the targeted countries so as to get access to markets, labor and raw materials for corporations based in the neocolonialist state(s). The key pillars of neocolonialism therefore include globalization, capitalism and imperialism. Neocolonialism is contrasted with colonialism, which implies direct military and political control of one state by another in a rulers include the fight against poverty, HIV/AIDS and advocacy for democracy instead of dictatorship or authoritarianism as well as sa feguarding of human rights. Realism theory This is a state centered international relations theory which looks at states as the key actors in international politics. The theory is based on the works of historical writers such as Rousseau, Machiavelli and Thucydides (Edkins and Vaughan-Williams 43). The main argument of realism is that international relations are characterized by anarchy, in which nations interact for their selfish interests. Realism therefore negates the mutual understanding of nations in their relations and puts more emphasis on the struggle of nations to amass as much resources as possible in order to advance their own interests. With realism, economic success is the leading interest in international relations. The US and its allies are known to promote democracy in many parts of Africa. However, a critical look at the issue shows that in most cases, the US is only interested in having democratic leaders who can help it gain access to markets and raw materials. Le aders who are not ready to cooperate are labeled as criminals, terrorists and unfit to hold office. Such leaders and their countries are eventually slapped with economic sanctions and are also isolated by the international community. A good example is Robert Mugabe of Zimbabwe whose country has been isolated by the international community. Globalization and neocolonialism Globalization can be defined as the minimization of the differences between people of the world and the maximization of their similarities through interactions, cooperation and communication.Advertising We will write a custom research paper sample on Neocolonialism and Global South specifically for you for only $16.05 $11/page Learn More Before the world wars, the world was characterized by minimal interaction, communication, cross-border movements and language homogeneity. However, after the world wars, this situation changed. The changes were mainly triggered by the desire of nations of the world to unite in various spheres of development, mainly the economy, education, employment, environment and governance. The main driving forces of globalization were however the advancement in Information and Communication Technology (ICT), improved transport systems, liberalized trade as well as liberalized immigration policies. Globalization has made it possible for any person to work, study, marry and stay in any part of the world irrespective of his or her culture. After the world wars, a new form of globalization emerged. This was triggered by the new desire to unite the world through the three main development pillars, namely social, political and economic pillars. Many states thought that the world wars were mainly caused by poor interaction between the nations, arguing that many countries did not care harming others as a result of the old economic philosophy which pegged development on elimination of rivals rather than the cooperation between stakeholders. The contempor ary form of globalization is characterized by the liberalization of trade, the emergence of multinational corporations as well as emergence of global institutions like the World Bank, the International Monetary Fund (IMF) and other UN affiliated institutions. The advancement in ICT has transformed the world into a global village. Through ICT and improved means of transport, people are more than ever able to do business with each other without any form of barriers. The developed countries have been in the forefront in propagating the idea of globalization. These countries led by the US usually view the developing countries as their imperial territories. They always ensure that there are in place rules and regulations governing the economic, social and political endeavors of the developing countries (Gills and Thompson 175).Advertising Looking for research paper on international relations? Let's see if we can help you! Get your first paper with 15% OFF Learn More They know that with a global culture in place, they are able to remain ahead by using resources from the developing and the undeveloped countries for their economic, social and political progress (Baylis, Smith and Owens 90). The developing countries are known as the markets of the western culture. Culture in this context is taken to mean business, educational, political and governance ideas. Many developing countries in Africa are known to have embraced what is referred to as export based agriculture at the expense of subsistence agriculture. This has led to recurrent food shortages in many developing countries (Buckman 42). The trend began in early 1980s through what were referred to as Structural Adjustment Programs (SAPS), which required countries in Africa and Asia to embrace economic development at the expense of social and political development (Kelsey 95). This led to the ever rising levels of poverty and population growth rates in the developing world, forcing them to compl y with the policies of the new world order for the fear of economic and political sanctions from the developed countries (Konadu-Agyemang 219). The undeveloped countries are those which have high poverty levels and illiteracy. Most of these countries are found in Africa and are described as living in the wrong civilization or being uncivilized. These countries are the best dumping sites for western culture. Most of the undeveloped countries are characterized by poor governance, ethnic strife and lack of basic social amenities. Many analysts have however argued that the poverty and lack of infrastructure in the undeveloped countries can be attributed to the imperial nature of their relationships with their developed counterparts. Forms of Neocolonialism Colonialism was very popular during the 19th century when the British, the US and other western powers scrambled for resources for their industries in the developing and undeveloped countries. They used the ideas of religion and educa tion to penetrate and gain control over the countries especially in Africa where there were no formal governments and institutions. Some western powers even went ahead to use the Africans as slaves due to ignorance of the African people. With time, colonization was slowly brought to an end following the end of world wars. However, what the Africans and the developing countries did not know was that only flags of their countries changed. Some political analysts have described the independence of many African and Asian countries as â€Å"independence of the flag†, meaning that even though the countries are independent, they can only exercise that independence to the extent of self governance alone. What this means is that the countries are literally colonized but through ideas. It can therefore be argued that even though many developing countries were granted permission to govern themselves, their former colonies still maintained high economic, social and political dominance in their former colonies. One of the ways in which neocolonialism has been propagated is through what is referred to as the odious debt. This is a debt which is incurred when a loan is given to a poor country but fails to benefit the citizens due to corruption by the leaders. Such countries also lack a clear economic policy to regulate investment, taxation and foreign debt. The developed countries benefit from the debts because they charge high interest rates on the loans, which are not used for the economic progress of the poor countries but are misappropriated by the corrupt leaders. These dictators in return become loyal to the countries which give them the loans and thus the developed countries get an opportunity to exploit the markets, labor and raw materials of the developing countries. There are also double standards even on genuine loans when it comes to repayment. When a country like the US gives a loan to another country like Germany or France, the loan is repaid with very l ittle interest or even interest free. However, when the same loan is given to a developing country, it is repaid with interest which is three to five times higher than what France or Germany would pay. The aim is to ensure that the developing countries do not become economically independent. Neocolonialism is also propagated using international institutions like the IMF. This institution was formed with an aim of liberalizing the world’s economy to enable the developing countries get loans for their development (Kegley 46). However, the problem with the IMF is that it gives loans to the developing countries with strings attached. One example to illustrate this is Jamaica, which was given a loan by IMF in 1977 to reconstruct the economy which had disintegrated in 1970. However, the condition of the loan was that Jamaica was supposed to eliminate all labor laws and especially the law on minimum wage. This paved way for exploitation of the citizens by multinational corporations which underpaid the citizens of Jamaica. The idea of International Law and neocolonialism International law refers to the set of laws or principles which govern the relationships between sovereign states (Fichtelberg 76). It was initially formed to govern the manner in which nations related to each other with a view of improving their relationships in regard to specific issues. International law initially took the form of treaties and agreements between states, which were either bilateral or multilateral. The protection of human rights moved the international law to create the international criminal court to try the perpetrators of crimes against humanity. Since its formation, the court has investigated several perpetrators of crimes against humanity like Charles Taylor of Liberia, Slobodan Milosevic of Yugoslavia and has issued a warrant of arrest against Sudanese president Omar Al Bashir for the chaos and atrocities in the Darfur region of the Sudan. However, the court has attract ed criticism from political analysts who have accused it of double standards in that it only targets the developing countries. The super powers of the world like the US, which refused to be a signatory to the Rome statute which formed the court, have never been subjected to the court’s jurisdictions despite the fact that they have committed crimes of aggression against other states like the Iraq invasion in 2003. My prescription on how the international community should deal with the issue of neocolonialism is for international institutions such as the UN and its affiliated institutions to ensure that the international law is followed to the letter. The UN in particular should seek to empower the developing and undeveloped countries with social, political and economic resources for them to resist any attempts of neocolonialism by the US and its allies. Bauer, Franziska, and Magdalena Holowinska. Colonialism and Neo-Colonialism. München GRIN: Verlag GmbH, 2009. Print. Bay lis, John, Steve Smith, ‎ and Patricia Owens‎. The Globalization of World Politics: An Introduction to International Relations. Oxford: Oxford University Press, 2010. Print. Buckman, Greg. Globalization: Tame it or Scrap it? : Mapping the Alternatives of the Anti-Globalization Movement. London: Zed Books, 2004. Print. Edkins, Jenny, and Nick Vaughan-Williams. Critical Theorists in International Relations. London: Routledge, 2009. Print. Fichtelberg, Aaron. Law at the Vanishing Point: A Philosophical Analysis of International Law. Farnham GU9 7PT: Ashgate Publishing, 2005. Print. Gills, Barry, and William Thompson ‎. Globalization and Global History; Rethinking Globalizations. London: Routledge, 2006. Print. Kegley, Charles. World Politics: Trend and Transformation. Boston, MA: Cengage Learning, 2009. Print. Kelsey, Jane. International economic regulation. Sheffield: Ashgate Publishers, 2002. Print. Konadu-Agyemang, Kwado. IMF and World Bank Sponsored Structural Adj ustment Programs in Africa: Ghanas Experience, 1983-1999.Voices in Development Management. Sheffield: Ashgate Publishers, 2001. Print. Sartre, Jean-Paul. Colonialism and Neocolonialism. New York: Routledge, 2001. Print.

MGT499 MOD 4 SLP Essay Example | Topics and Well Written Essays - 500 words

MGT499 MOD 4 SLP - Essay Example This strategic plan include the induction of most innovative products backed by solid research of its research facilities, maintaining diversity of portfolio, cost effective and low cost medicine and achieving efficiency and effectiveness through its human and material resources. (Novartis, 2011). The Cost Leadership component of Porter’s competitive strategies is the most important but difficult objective to be achieved especially, in pharmaceutical industry where quality compromise is not an option at all. The only way out to achieve competitively lower prices of products is through savings on procurements, cost effective production and advantageous use of supply chain. To ensure cost leadership the company has improved its internal processes to save production cost in order to provide relief to the consumer. ICIS, trusted market intelligence for the global chemical and energy industries states the cost effective procedures of the Novartis in these words, â€Å"Operational efficiency initiatives have made progress to improve speed, flexibility and productivity while freeing up resources. On this basis, it has launched a companywide project â€Å"Forward† to provide annual cost savings of approximately $1.6bn in 2009 and 2010.† (ICIS, n.d.). The differentiation is mainly achieved through wide range research and diversified portfolio. Research and diversification complements each other to ensure differentiation. The company wide research facilities have contributed a long way into achieves uniqueness in its products. Afinitor, a potential breakthrough for advanced kidney cancer, the vaccine Menveo for protection against four meningococcal meningitis serogroups and Extavia (interferon beta-1b) for patients with certain forms of multiple sclerosis (MS) are few examples of thoroughly researched innovative products of Novartis to ensure a level of differentiation with its competitors. (ICIS, n.d.). The diversification of portfolio is an way

Revenue Essay Example | Topics and Well Written Essays - 1250 words

Revenue - Essay Example Income encompasses both revenue and gains.† (ec.europa.eu, p. 2) Revenue: â€Å"IAS 18 defines revenue as ‘the gross inflow of economic benefits during the period arising in the course of the ordinary activities of an entity when those inflows result in increases in equity, other than increases relating to contributions from equity participants† (ACCA, 2013.) Gain: â€Å"An increase in the value of an asset or property. A gain arises if the selling or disposition price of the asset is higher than the original purchase or acquisition price† (Investopedia, n.d.) Normally the word ‘profit’ is used in business context in the place of gain. It is also very important that that revenue and the related expenses should be matched with the accounting period, and this is called matching principle. â€Å"When the selling price of a product includes an identifiable amount for subsequent servicing that amount is deferred and recognised as revenue over the pe riod during which the service is performed. The amount deferred is that which will cover the expected costs of the services, together with a reasonable profit on those services† (ACCA 2013). ... sale and repurchase should be dealt with together. Section 14 of IAS 18 stipulates the conditions for revenue recognition in respect of sale of goods. These following two conditions are relevant for discussion in respect of accounting of transaction related to Witney. (a) the entity has transferred to the buyer the significant risks and rewards of ownership of the goods; (b) the entity retains neither continuing managerial involvement to the degree usually associated with ownership nor effective control over the goods sold; Section 20 states â€Å"When the outcome of a transaction involving the rendering of services can be estimated reliably, revenue associated with the transaction shall be recognised by reference to the stage of completion of the transaction at the end of the reporting period.† This principle is relevant for discussion in respect of support services to PC4U. Case Study Sale of electrical goods When sale has been accounted properly, the goods covered should no t be treated as stock; and the sale is not treated as stock by the company. Snowfall and delay in delivery cannot alter the position. Once the goods are despatched to the buyer, the seller has no control over the same. The following conditions u/s 18 are important in this respect (a) the entity has transferred to the buyer the significant risks and rewards of ownership of the goods and (b) the entity retains neither continuing managerial involvement to the degree usually associated with ownership nor effective control over the goods sold. Therefore, no adjustment is required on account of this transaction. Contract with Witney The total amount owing to Ibi Ryan from Witney is ?600,000 at 31st March. It is assumed that includes the sum

African American Cinema Essay Example for Free

African American Cinema Essay The subject of African-Americans in Motion Pictures provides some of the most interesting studies along with the many controversial interpretations of the roles as actors they played on screen. As far back as the silent films era, African-Americans have been featured in motion pictures playing roles depicting some aspect of acting and being purveyors of a black image. The messages or themes of these movies have over the years presented a mixture of images based upon what was thought to please the viewers of each particular film. Unfortunately, many of those films showed black characters in negative stereotypical roles, which the average African-Americans would never truly identify as being like themselves. Since many of our American icons and heroes have come from our motion picture stars, we need to understand what this narrow view presented and compare it with what we presently see at our local cinema today. The movies Guess Whos Coming To Dinner (1967), Shaft (1971), Do The Right Thing (1989), Boys n the Hood (1991), and Menace to Society (1993) show a thematic style and stereotypes in the way that black films have progressed over the years. The motion picture industry was never too quick to change their approach in presenting African-Americans in realistic roles depicting social or civil conditions in an integrated context. Many of these roles required scenes showing African-Americans in positions of authority or relating to white Americans in a positive way. This Integration Period therefore brought together African-American actors with scenes along side white actors in roles showing both players dealing with racial conflict and resolution. Guess Whos Coming to Dinner was truly a unique film for its time in that Sidney Poitiers character breaks all the stereotypical views of blacks in American Cinema. In the early 1930s blacks were portrayed as lower class, slow-witted figures of entertainment, often showed in menstrual shows. Poitiers character broke all these stereotypes. 1971 brought to the big screen a successive series of superhero black or blaxploitation films. Shaft was released in 1971, and Richard Roundtree was the superman black hero detective. He was compared by many to the white James Bond. Related to Guess Whos Coming to Dinner, Shaft took it up a notch in showing a black man as a hero. Poitiers role was one to equalize whites and blacks in their roles in American cinema, but Shaft showed a black man who was an authoritative figure. Different themes can be mixed in between the two movies. They both show an intelligent black man that has a grip on reality. Both movies showed themes of how integration has struck America. They differ though on a level in that Shaft was a black dominant cast and Guess Whos Coming to Dinner was predominantly white. Do the Right Thing, Boyz n the Hood, and Menace to Society were all produced in a more modern era, hence the fact that they all have similar racial themes. The films all paint a picture of urban Black America in their time period. All three films are thought to be racially reactionary films aimed at the psyche of both black and white viewers. The movies were all a success due to the touched topics of racial situations, ethnic tensions, and human encounters of anger. The superb casts of both black and white actors made the motion picture industry aware of a newer avenue for films and race relations. African-Americans in motion pictures in todays expanding world of visual imagery can be seen on many expanding fronts. We see the making of motion pictures on subjects or themes which can be taken from history, life experiences, music, and unexplored events. Todays markets are open, and African-Americans are taking advantage of these open door opportunities. Actors and actresses are expanding their roles from stage acting to movies to TV miniseries to video cassettes or discs, and roles taken from books, plus movie soundtracks. In our world today African-American actors and actresses will always have a place in American Cinema and their future looks bright and promising.

Grooms Wedding Speech - Damn Statistics -- Wedding Toasts Roasts Spee

Groom's Wedding Speech - Damn Statistics Ladies and gentleman, I have to be honest with you all and admit that I am quite nervous about standing up here and speaking this evening. While I was writing my speech I came across some interesting statistics about what guests are thinking about during a wedding speech. Apparently, twenty percent of you are thinking about getting onto the dance floor and partying the night away. Thirty percent of you are thinking about the marital status of the best man. Ladies, you may be pleased to know that he is single. He's also not very fussy as he showed at the stag party (bachelors party). It turns out that twenty percent of you are thinking about what happened at the stag party (bachelors party). Moving swiftly on. Ten percent of you are thinking about the type of couple that we will make. A rather worrying statistic, from my point of view, is that fifteen percent of you are having romantic thoughts about the person sitting next to you. There are several people here tonight who I would like to thank. I'd like to start by thanking my ...

How has CMOS memory changed over the years? Essay

How has CMOS memory changed over the years? CMOS really hasn’t changed very much from what I could find on the internet†¦ Mainly the speeds have increased and the noise has been reduced it also went from analog to digital. Originally, the IBM PC only used of a small portion of CMOS memory and the balance of the 64 bytes were left undefined. Once other manufacturers cloned the AT form factor it wasn’t long that other areas of the CMOS was used by various BIOS manufacturers for such user-selectable options as memory wait states, memory type, initial boot drive selection, boot-up clock speed, hard drive interface type, green options, shadow RAM options, cache options, and password protection of the CMOS contents. It still uses a small battery in case there is a power outage and still uses volatile RAM. Has the size of the CMOS memory increased, decreased, or stayed the same? The size of the CMOS memory has also pretty much stayed the same because there is no need to increase the size. There was never any need to store more than 512 bytes in the memory as it holds the absolute basic boot settings for the system. The typical size is still 512 bytes currently. All it comes down to is â€Å"If it ain’t broke don’t fix it.†, so it’s been that way since almost the very beginning. It does its job which is to just get the computer started and make sure everything is in place and then hands it all over to the computers OS. Determine if CMOS still utilizes RAM, requiring a battery on the motherboard, or has it evolved into using EEPROM? The CMOS still utilizes RAM but it is being rapidly replaced with EEPROM in today’s time. EEPROM is a small chip that data can be written and re-written to with codes. As we all know RAM losses data every time you loss power to your system, well EEPROM does not require a power source to maintain its data. Although EEPROM is relatively slower than RAM it is fine for applications, such as storing saved BIOS settings?