Physics Bifilar Pendulum - 11289 Words

Dimensional Analysis: Investigation on bifilar suspension Ho Yuk Him (Date of experimentation :20th and 29th October, 2010) This paper presents a study on the application of dimensional analysis on the formulation of an equation concerning the periodic time of a rod rotating at an angle about the vertical axis suspended by two strings at each end. We find that period is inversely related to distance between the strings parallel to each other and directly proportional to the both the square root of length of string and the length of suspension, (i.e. ï ½â€ž ). Although discrepancy is found when the equation proposed by eminent scholars is compared against with ours, our findings can hardly pale into insignificance as errors and the cause of†¦show more content†¦A synopsis is also given at this section. It is nearly impossible not to draw any reference during the compilation of this report and any papers referenced are given under the section, references. An appendices is attached at the end of this paper to outline the detailed derivation of formulas provided without proof in the section theory. II. Background A bifilar suspension is, literally, one in which two (bi) filaments (filar) support a rod. It is used in this study to show that the full relationship between the periodic time T, the length l of the vertical suspension threads and their distance d apart is: , (4) where M and l are the mass and the moment of inertia about the axis of oscillation respectively. The acceleration to gravity However, with limited resources and time, we manage just to establish the relationship among T, l , d and an additional unit f, length of suspension. Others are just ignored at the time being. Before going on discussing the hypothesis, it is worthwhile to get used to what equipments are used and how they are arranged. To make the experiment fair, extra apparatus are used. For the sake of convenience, all apparatuses employed with their respective quantities used are tabulated below: Apparatuses Ruler Specification 20 cm plastic 30 cm plastic 50 cm wood 100 cm wood Threads (Filaments) Stand and clamp Set square Spirit level Stop watch Wooden block Stickers / / / / Accurate to 0.01 seconds / / Quantities used 1 piece 1 piece

Carol, By Todd Haynes And Starred Cate Blanchett And...

The film Carol, directed by Todd Haynes and starring Cate Blanchett and Rooney Mara, is a mid-century lesbian love story told unlike most others. Where the picture could have easily rejected femininity and the ideals of womanhood for a more dramatic transformation, Carol manages to achieve the same emotional and personal evolution whilst simultaneously focusing on themes of oppression of both women and lesbians to fit into societal norms. Carol and her love interest, Therese, are both in a constant battle between living the life where they will prosper socially or living the life where they can be happy with each other. As exemplified through various film techniques, the movie manages to portray the hardships of the strict rulebook a woman had to follow in the 1950s and how that could prohibit a budding lesbian couple from finding true happiness. There is a recurring motif in the costume design where Carol and Therese stand out in vibrant colors, trying to break the heterosexual mold that held women down so tightly in the 1950s, versus the bland browns and blacks of the rest of society that they should conform to. It was the first time Therese visited Carol’s house and the pair were thoroughly enjoying each others company. The mood is very light and youthful but there is an immediate change of tone with a shot of Carol looking startled after she hears the front door open. The camera scrambles along with her in a tracking shot as she rushes to get her shoes back on- a clear

Essay on Reverse Outline - 714 Words

Reverse Outline  ¶ 1 Topic Sentence: In examining Kurt Vonnengut’s Slaughterhouse-Five, we can illuminate the faults in Weisenburger’s theory of satire dichotomy, as well as illuminate the nature of the satirical qualities of Slaughterhouse-Five itself. Function: This is the thesis of Gil Henkin’s essay â€Å"Steven Weisenburger and the Big Scary Normative Value: An Exercise in Postmodern Posturing.† Its function is to provide the main idea which the author will argue thorough the essay.  ¶2 Topic Sentence: Weisenburger rejects the concept of the dichotomy between a â€Å"good† and a â€Å"bad† example, yet in rejecting this moral polarization, he presents degenerative as good as opposed to inherently evil generative. Function: This paragraph†¦show more content†¦By this author shows that grotesque is the tool Vonnegut uses frequently just like Weisenburger. I  ¶6 Topic Sentence: All the same, Vonnegut deviates from Weisenbur ger’s general diagnosis of satire as violence. Function: This paragraph serves to illustrate the differences between Vonnegut’s ideas and Weisenburger’s claim. Author uses a quote from Vonnegut’s novel to show how the sight of powerful destruction inspires the readers and how this idea deviates from Weisenburger’s claim in which violence supports a moral code.  ¶7 Topic Sentence: Billy Pilgrim is at least in part playing a Christ figure. Function: The author analyzes Billy Pilgrim, the main character of Vonnegut’s novel, and claims that there are similarity between him and Christ. By analyzing Billy’s actions author is able to illustrate what makes him resemble Christ and what makes him distinct. By this author shows that there is a gross perversion of moral norm in Vonnegut’s novel.  ¶8 Topic Sentence: This all may seem, in total, evidence that Slaughterhouse-Five is purely degenerative satire. Function: Author analyzes t he specifics of Vonnegut’s novel and states that the evidence suggest it to be a degenerative form of satire. This paragraph creates an argument as to whether Slaughterhouse-Five really is a degenerative satire.  ¶9 Topic Sentence: In this sense, Vonnegut is in sense a generative satirist. Function: By analyzing several other aspects of the novel and thinkingShow MoreRelatedMethods Outline : Reverse Gene Therapy857 Words   |  4 PagesMethods Outline: Reverse Gene Therapy to Immunize Against HIV I. The goal of this experiment is to prevent HIV through vaccination using ex vivo gene therapy. i. The dependent variable will be measured consistently throughout this experiment by measuring the gene expressions for each participants b. Pre-Experimental procedures i. A group of West Coat University-Miami students placed an Ad in the Miami Herald for participants to volunteer in their new student research study for immunization againstRead MoreExercise 3.4 : Reverse Discrimination Or Legal Affirmative Action?1945 Words   |  8 PagesExercise 3.4 - Reverse Discrimination or Legal Affirmative Action? 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Monopoly vs. Oligopoly free essay sample

Microeconomics Monopolies and Oligopolies are both marketing situations that are present in today’s economic system. Many people are aware of what a monopoly is and the federal government has even taken steps to make monopolies in the United States illegal. However many are unaware of the many oligopolies operating in the US economic system today. Monopolies and Oligopolies are similar but not the same, this paper will explore their similarities and differences, and provide examples of both operating in today’s economic system. A monopoly is where one cooperation or business controls the supply of a particular good or service. In monopolies these firms or cooperation’s not only try to control their respective industry but go out of their way to stop others from entering with heavy restrictions, low price costs, and strategic marketing plans. The business dictionary defines oligopoly as; a few or single supplier effectively controlling the supply and therefore the price of a particular product or service creating a seller’s market. We will write a custom essay sample on Monopoly vs. Oligopoly or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page These two situations as defined are similar in the fact that one or few corporations or businesses control the industry and its prices. The consumer is the target in both situations; you see where its one or few the consumer is forced to pay the prices set by these controlling corporations. Monopolies and Oligopolies differ in a few ways. In a monopoly you have one cooperation that controls the price and supply of the said product or service, allowing for no competition. Or in other words allowing them to charge consumers whatever price that want and even the opportunity to raise prices at any time for no reason thus in a way holding the consumer hostage. In oligopolies there is more than one major player and this allows for some competition in the industry. It also gives consumers more than one option. If one company lowers the price a consumer may choose to switch companies. The most evident difference as stated above is that monopolies are illegal and mandated by the US government where oligopolies are a common market situation in the United States. A great example of an oligopoly is the US Automobile industry. There are a variety of manufactures to choose from, however most Americans will agree the major players are Ford, General Motors, Honda and Toyota. These major players in the industry control the actions of each other and their competitors. In 2005, GM offered customers employee pricing. This affected the whole industry, Ford, Toyota and other manufacturers were forced to do the same thing or offer something better in order to match the prices of GM to generate profits in the industry. This is a common marketing strategy for automobile manufacturers, the use these tactics to anticipate the next move of their competitors. It also can cause smaller manufacturing companies to go out of business as they can no longer compete with these large companies. Monopolies are a little harder to explain in today’s economic system as they are illegal. However they do still exist, for example utility companies usually operate in specific areas where they do not have competition. Consumers are forced to use them do to the region, city or district in which they live. They do not have choices and are required to pay whatever prices their utility company charges for the service. Another good example would be DirecTV, while there are other cable and satellite companies to choose from they offer a service no other company can; NFL Package. They are the exclusive owner of this service and football fans have no other option that offers them every game anytime at their fingertips. Most notable in recent history was Microsoft, who was inevitably fined and regulated by the US government in 1998. While monopolies and oligopolies have their similarities and differences the consumer is the target of both and is a victim to these multimillion dollar corporations and industries. Monopolies even if illegal still exist and operate in today’s economy. Oligopolies are very prevalent and still allow corporations and businesses to operate at will against the consumer as long as there is competition among the various players in the industry. Whether a monopoly or an oligopoly the consumer has little to no say in the market situation and one or few businesses are allowed to dictate prices and supply of their respective products and services.

Reform And Fundamental Change In The Political Essays - Texas

Reform and Fundamental Change in the Political Economy and Government of Texas The political economy and government of each state in the United States are different. James W. Lamare discusses Texas politics in his book Texas Politics: Economics, Power and Policy. In the last chapter of the book, Lamar discusses reform and fundamental change in the political economy and government of Texas. In the following paragraphs, I will discuss Lamare's view and give my own opinions of his views. Lamar argues that the economy of Texas is controlled by a relatively small number of corporations. Wealth is socially accepted as a sign of success. Many of the dominant businesses in Texas are economically interconnected. Also, he talks about elections in Texas and he says that substantive competition in elections is rarely found in Texas. This is why voter turn out is extremely low. Moreover, the organizational design of Texas government enhances the political power of well-organized interest groups. Also, Lamar remarks that the overall tax system in the state is very regressive (cutting more into income of middle- and lower-class than into the earnings of the wealthy.) However, people face high prices for petroleum products, electricity, and insurance. The state lacks strong unions, does not have full government protection for all employees, and assumes only limited responsibility for unemployed or injured workers. For these reasons, Texas businesses operate in a labor environment that allows maximization of profits. I believe that it is true that the economy of Texas is controlled by elite. People in Texas accept these small elites and support them because they think that these businesses provide more job opportunities. Also, I believe that voter turn out is extremely low; moreover, thinking about low voter turn out leads us to the fact that the majority of Texans are worker class. The lake of income makes it much harder for them to think about politics more than thinking about paying their bills and their life expenses. Consumer needs are getting more expensive every day, but the average salary has not increased as much as consumer needs even though Texas is a rich state compared to the other states because of the large amount of gas and petroleum it has. In Texas, people pay extremely high prices for gas, electricity, and insurance. It is true that people in Texas pay less for these products compared to other state but we don't look at it in this way. We need to look at it as how much profit a re those companies making. They are making much profit in Texas than they do in other states even those companies do not need to chip it far away from it's original source. Being a rich state is not helping people in any way. It is only enriching the rich and making the poor poorer because rich are making more profit and poor paying much more for products. More over, Texas workers are not fully protected by the government. The unemployment number has been increased lately and the number of poor kids in the state of Texas has been extremely increased. Indeed, businesses in Texas make a huge profit. Lamar suggests in his book that implications for political changes in Texas could be done by changing the close relationships between corporate and political power. There are two ways to change that. One involves a fundamental change in the economic system. The other is less extreme; it emphasizes opening the political system to more voices and interests, thereby making it more pluralistic. First, I agree with him on the first part. [We should change the economic system fundamentally to make the economic system more accessible for the people rather than strength the power of the political parties.] Therefore, we can open the political system to more voices and interests. We can reach our goals by dividing the big companies to small ones so that power can be controlled by average citizens. This will benefit all people and not only a few or another approach is to have business condoled by governmental bodies so all people can benefit from that profit. Lamar stated these changes are unlikely to occur for some reasons; most Texans are quite content with corporate control of their state's

Determination of Variables Affecting Surface Tension Using Simple Bubble Method Essay Example

Determination of Variables Affecting Surface Tension Using Simple Bubble Method Essay Example Determination of Variables Affecting Surface Tension Using Simple Bubble Method Essay Determination of Variables Affecting Surface Tension Using Simple Bubble Method Essay 2002. Surface Tension [online]. Available at: http://mysite. du. edu/~jcalvert/phys/surftens. htm [accessed 05 July 2008]. Cheak Ching Hui, et al. , 2004. Bubbles and Surface Tension [online]. Available at: http://www1. moe. edu. sg/[emailprotected]/quest/winners/secondary/raffles_girls_sch_nc/Folders/SurfaceTension1. htm [accessed 17 June 2008] Haber, Howard. Surface Tension [online]. Available at: http://scipp. ucsc. edu/~haber/ph5B/bubble. pdf [accessed 17 June 2008] KRUSS. Theory Behind the Bubble Pressure Method [online]. Available at: kruss. info/index. php? content=http%3A//www. kruss. nfo/techniques/bubble_pressure_e. html [accessed 15 July 2008] Laidler, K. J. Meiser, J. H. , 1999. Physical Chemistry. 3rd ed. Boston: Houghton Mifflin Company. Probstein, R. F. , 1994. Physicochemical Hydrodynamics: an Introduction. 2nd ed. John Wiley Sons, Inc. Roman, F. L. Velasco, S. , Surface Tension [online]. Available at: http://www2. physics. umd. edu/~mfuhrer/course/spr02/AJP/AJP00917. pdf [accessed 09 July 2008] APPENDICES Measurement of Tube Radius Tube No. Dinside (mm)Doutside (mm)average (mm)average(m) 13. 343. 543. 440. 00344 23. 94. 44. 50. 00415 34. 7254. 860. 00486 45. 445. 95. 670. 00567 56. 386. 96. 640. 00664 Maximum Pressure Difference Conc100%75%50%25%5% cm H2O? P (Pa)cm H2O? P (Pa)cm H2O? P (Pa)cm H2O? P (Pa)cm H2O? P (Pa) Tube 11. 1107. 911. 1107. 911. 15112. 8151. 15112. 8151. 2117. 72 Tube 20. 8583. 3850. 988. 290. 988. 290. 9593. 195198. 1 Tube 30. 878. 480. 878. 480. 8583. 3850. 988. 290. 9593. 195 Tube 40. 6563. 7650. 6563. 7650. 768. 670. 768. 670. 878. 48 Tube 50. 658. 860. 658. 860. 6563. 7650. 6563. 7650. 768. 67 Calculated surface tension (N/m) Concentration100%75%50%25%5% Tube 10. 046400. 046400. 048510. 048510. 05062 Tube 20. 043260. 045800. 045800. 048340. 05089 Tube 30. 047680. 047680. 050660. 053640. 05662 Tube 40. 045190. 045190. 048670. 048670. 05562 Tube 50. 048850. 048850. 052920. 052920. 05700 Sample Calculations: where din = inside diameter of tube dout = outside diameter of tube where ? P = difference between pressure inside the bubble and outside pressure, in Pa h = manometer reading, in meters ? = density of H2O = 1000 kg/m3 g = acceleration due to gravity constant = 9. 81 m/s2 where ? = surface tension, in N/m

Sylvia Plath Poem Analysis Essays

Sylvia Plath Poem Analysis Essays Sylvia Plath Poem Analysis Paper Sylvia Plath Poem Analysis Paper Sylvia Plate draws upon her personal experiences to blend a range of powerful emotions, weaving them cleverly throughout her poems. Lady Lazarus and Daddy explore her intimate struggles and how the abandonment and betrayal of masculine figures in her life shaped her views on life and death. Her carefully selected language is crucial in exhibiting her feelings about the oppression of herself as a woman and her demand of dominance over the men around her. The protagonist of Lady Lazarus Is an allegory of Sylvia Plate herself, the suicide attempts in the poem being a reflection of the poets own suicidal tendencies. The title itself is a reference to Lazarus of Betray from the Gospel of John, which suggests a similarity between the narrators resuscitation by Herr Doctor and the resurrection of Lazarus by Jesus; revived without apparent consent. This comparison to God Is repeated in her use of Herr Doctor, Herr Enemy and Herr God/Herr Lucifer linking all these figures as equals, merging their motives and Insinuating their connection as one force of evil in the form of men. This sets up a disparity between males and females. The fight for feminine control is presented powerfully within this same section of the poem, as the narrator claims she WI eat men like air. The use of the word air is effective as it is pronounced very similarly to Herr, German for Mister, used several lines earlier. This suggests that she can and will devour the masculine title of these male figures and with It any dominance of which they hold above her. The use of German words also links in with her allusions to the Holocaust, relevant to ere childhood, set in the midst of World War II. Plate declares her skin/Bright as a Nazi lampshade and her face a featureless, flee/Jew linen. This links the subject of the poem to the situation of the Jewish people and implies the oppression and possession of herself in relation to those around her. This repression of which Plate felt In her personal life forms a motive for the several suicide attempts presented In the poem. The use of anaphora, the reiterating of phrases such as l do it so it feels like hell/l do t so it feels real, is reminiscent of her recurrent near death experiences. She states that Dying/ Is an art, like everything else, which signifies that she is performing for the people around her. They bring her back only to speculate her struggles, giving Herr Doctor and The peanut-crunching crowd dominance over her. The repetition of words, however, stresses the importance of her message to the audience and announces that her conviction is growing constantly stronger; she will not yield to those who haul her from her freedom; the freedom of death. The repetition of me and my emphasizes the protagonists independence. These words draw away from the masculine concepts of which she is expressing and remind the reader that the poem Is about her control and Is a statement that men shall not overshadow her Plashs references to the holocaust throughout Daddy resonate strongly with accounts of her strict upbringing by her authoritarian father. The poem addresses the concern of male dominance, forming a link to many of her other poems. Like in Lady Lazarus, Daddy floods the male figureheads from Plashs life with an unflattering light, and again, provides a metaphor between herself and the Jews of the Holocaust. German words are used to strengthen the metaphor linking her father to the Luftwaffe, the Mainframe and the swastika, making him represent the Nazis in her image. The poem establishes communication as one of its main concerns. Although written in English, it is sprinkled with the German words that sometimes mimic her father; ICC, ICC, ICC, ICC, sometimes address him; Ach du, and sometimes describe him; With a Mainframe look. It says that he spoke gobbledygook insinuating that she could not understand him, a lack of communication between father and daughter. Plate then writes; l began to talk like a Jew/ think I may well be a Jew, supporting further the metaphor in which her form is in complete contrast to that of her father. She also establishes that she never could talk as she claims the tongue stuck in my jaw/ It stuck in a barb wire which is reminiscent of being stuck within the fences off concentration camp in which she is confined. The narrator states in the third last stanza that The black telephones off at the root, this time suggesting a more permanent loss of contact of which she herself is the designer, as she finally realizes her wish to cut the link between herself and a man in black. The color black is used many times throughout the poem to describe the father. The black man with his fat black heart who does stand at the blackboard while he confines his only daughter within a black shoe of which she must obey him, barely daring to breathe. Black is he color of death and oppression, and expresses her lust to kill him through the murky dark pool in which she is drowning in her attempts to obey him. Its a stark contrast to the poor and white girl with the pretty red heart, white being the color of innocence and purity while red represents the devotion she still feels for her father despite the resentment she has for his controlling nature. Blue is also used to represent the freakish Atlantic/ Where it pours bean green over blue/in the waters off beautiful Nausea which links with her fathers Aryan eye, bright blue, presenting a beauty and fascination but also a coldness and feeling of detachment, again a reference to his Nazi-likeness. Despite being free verse with no specific rhyming pattern, the poem contains a constant repetition of the 00 sound that conveys the womans frustration and consistently throughout, the you being directed at daddy in an accusing and frustrated tone of the poem. In essence, Plate is recalling how her own father, emotionally repressed himself, passed on his traits to his daughter along with inflicting his arrogant nature and his digressiveness of women upon her.