Child labour essay writing
"Topic Of My Choice Essay"
Wednesday, August 26, 2020
Design and Analysis of an Algorithm
Question: Examine about plan and investigation of a calculation? Answer: Arranging calculation Here choice of two arranging calculation is- Air pocket sort. Choice sort. Time unpredictability of air pocket sort calculation In the air pocket sort calculation time unpredictability of best case is O (n), in time intricacy of normal case is O (n2) and the time multifaceted nature of most pessimistic scenario is O (n2). Articulation for the most pessimistic scenario time estimation of the calculation bubble sort For the of size n exhibit, into the situation of most pessimistic scenario: The most pessimistic scenario estimation occurs at the hour of effectively arranged cluster however in the diving request. The significance of this is the into the principal level of emphasis this would need to take a gander at the components of n, after then that would look the keep going component is n-1, this is the greatest number at end. Along these lines, forward till happen one examination. The last entry through the circles of internal is the examination with n-1 and the trades of trades n-1. The (n-1)st through their entry the one entomb circle trade promotion one examination Together all: c((n-1) + (n-2) + (n-3)+ +1), I this setting c is for the necessary chance to do required one trade, one of the correlation, internal circle checking for increase advertisement condition. Likewise to invest energy steady k announcing j, and I introducing I advertisement temp. Execution of external circle to the n-multiple times that cost assumes of circle checking condition and to decided the I is c1 C ((n-1) + (n-2) + (n-3) + 1) +k + c1 + (n-1) (n-1) + (n-2) + (n-3) + 1= (n-1)/2 That is the reason the capacities are equivalents to C n* (n-1)/2 + k + c1 (n-1) = 1/2c (n2 n) + c (n-1) + k Along these lines, the O (n2) is the intricacy of most pessimistic scenario (Haution, 2015). Air pocket sort calculation Space multifaceted nature The space multifaceted nature is estimated eventually the amount of the additional memory is required. The allotment of the additional number of exhibit of n size, at that point the multifaceted nature for the space is O (n) (Janowitz, Yan Shyam-Sundar, 2014). Articulation for the most pessimistic scenario space count of air pocket sort Te calculation is as of now O (n2) and O (n) space Along these lines, this is fundamentally O (n) is the subset of O (n2) This is to take note of that the O (f (n)) is the capacity set tat to upper asymptotic obligation of f (n) At that point, for the every g (n) h (n) f (n), here is the (n) answerable for the upper asymptotic bound of g (n), at that point likewise the f (n) is asymptotic additionally upper obligation of it. Along these lines the g(n) is in O( h ( n)) this is in likewise O (f (n)) For this situation, the capacity multifaceted nature T (n) is likewise the O (n). Determination sort calculations Time multifaceted nature The most exceedingly terrible, best and normal case, time multifaceted nature is O (n2) (Jin-youthful Lee, 2011). Articulation for time estimation to the most pessimistic scenario calculation of Selection sort This isn't difficult to dissect the in contrast with another of arranging calculation since there no circles are information subordinate in the exhibit. The least component to choose is required for n component filtering here n-1 correlations and ten in the wake of trading this in the spot of first position. The discoveries of the following component most minimal expecting of checking the rest of the component of n - 1and so on, for the (n-1) + (n-2) + (n-3) + 2 + 1 = (n-1)/2 O (n2) Comparisons (Ma, 2014). Articulation for the space of most pessimistic scenario figuring of the calculation Selection sort Into the choice sort calculation unpredictability of the space is the O (1) (Negut, 2015). Reference List Haution, O. (2015). Recognition by normal plans in degree two.Alg. Geom.,2(1), 44-61. Janowitz, T., Lu, L., Yan, H., Shyam-Sundar, V. (2014). Cross-sectional and longitudinal examination of disease immunization preliminaries enrolled on the US Clinical Trials Database shows scarcity of immunological preliminary endpoints and decrease in enlistment since 2008.Drug Design, Development And Therapy, 1539. Jin-youthful Lee,. (2011). Examination of Graphic Characteristics applied to Contemporary Restaurants - Focused on the Completed Works since 2005 - .Journal Of Digital Design,11(1), 311-324. Mama, S. (2014). Soundness of some tetragonal loci.Alg. Geom.,1(3), 271-289. Negut, A. (2015). Moduli of banners of stacks and their K-theory.Alg. Geom.,2(1), 19-43.
Saturday, August 22, 2020
BRAND COMMUNICATION Essay Example | Topics and Well Written Essays - 1250 words
BRAND COMMUNICATION - Essay Example This bit of research paper is an endeavor to give a concise report on the IMC plan for Tango for the following a year. This report investigations the basic ideas and hypothetical point of view of IMC and analyzes how these can be applied with an arrangement for Tango, a brand by Britvic Company UK. This report diagrams how a companyââ¬â¢s brand and data can be adequately imparted to different objective markets with model from Tango. As indicated by Schultz and Schultz (2004), coordinated promoting correspondence is a procedure by which organizations quicken returns by adjusting correspondence destinations to business objectives (p. 3). IMC has been viewed as a vital administrative and showcasing approach that can assists organizations with increasing upper hands and brand steadfastness in the market. Burp and Belch (2007) underlined that IMC is a vital business process used to plan, structure and create composed and quantifiable brand correspondence programs with clients, workers, prospects and partners for a specific timeframe. It assists work with shorting term budgetary advantages and long haul brand esteem (p. 11). As portrayed by Lamb, Hair and McDaniel (2008), incorporated showcasing correspondence is a cautious coordination of every limited time message including conventional publicizing, individual selling, deals advancement, occasion promoting, intelligent and pubic connection for item or administrations so as to guarantee the consistency in each message at every single contact that the organization meets it clients (p. 413). The principal objective of IMC is to create showcasing correspondence program that causes the executives to arrange and coordinate all components of deals advancement, promoting, individual selling, open connection in a compelling route as the organization can keep up a consistent message. IMC is fundamentally trying to oversee wellsprings of brand and picture or business contacts with existing too
Friday, August 14, 2020
Are you thinking about Graduate School
Are you thinking about Graduate School Its never too early to start thinking about what you want to do after graduation. If grad school is in your list of goals, then this is especially true. You can check out U of Is offered graduate programs here. Generally, there are 4 major requirements for admission into grad programs: A GPA of 3.0 or higher, with 3.5 or higher being preferable. If your GPA is lower than a 3.5, you should be able to compensate for it through your leadership or research activities. GRE or GMAT test scores, depending on the nuances of your program. At least 3 letters of recommendation is the norm Ive seen for most grad programs. Some indication of interest in your selected program, whether it be through coursework, organizations, or extracurricular activities. Its not uncommon for someones undergraduate field to be unrelated to their desired grad field, but if you dont have anything to show for your interest, schools are going to have a hard time believing that you will excel through their masters or PhD program. So what does this mean for your undergrad? Your grades matter. No, its not always fair. People take easier classes, bad professors can screw you over, or life just comes at you and its hard to be your best self. But think of it as a gateway your GPA doesnt define you, but it shows how much you tried despite lifes difficulties. Its never too early to start relationships with professors. As a freshman, it will be hard since professors from gen eds wont be teaching your future classes. However, start looking at upper level classes and who teaches them. Plan out your classes so you can repeat with some, have small class sizes with others, and always always feel free to reach out to them via email. But if you do, make sure you do your research and have a specific goal in mind for a discussion with them; you want to be mindful of their time and have specific things you want to learn more about. Think about what you need to get involved with. Are you going into a program like anthropology that will require you have a research background? Take steps to get an undergraduate research certificate. Planning on getting an MBA? Join a professional organization for projects and case studies you can talk about in interviews with prospective schools. I know theres a lot to research when youre a freshman. You get burned out with 30 tabs in your browser of things you dont want to miss. But trust me, those nights you take to plan your future will be so worth it; you dont want to be graduating with any doubts about what you could have done when you can do it now! ?? James Class of 2016 Iâm an Advertising major also pursuing a minor in Anthropology. Iâm heavily involved with the American Advertising Federation on campus. I'm from Naperville, Illinois.
Sunday, May 24, 2020
Essay on Slavery in The Adventures of Huckleberry Finn
Slavery in The Adventures of Huckleberry Finn In the Adventure of Huckleberry Finn, written by Samuel Clemens, a young boy by the name of Huck gets into various situations while trying to discover himself and just have fun. To keep the novel unified the author uses the recurrent motifs of slavery, violence, and caring. Slavery has held good men like Jim captive in society. Slaves are not given any of the rights that the white people receive and have virtually no freedom. Men like Pap, being on a lower scale than most of the other white folk as he may be, his views do accurately depict and even parallel those of the average white person at the time. Pap is disgusted with the government and wont stand for the fact that they give theâ⬠¦show more contentâ⬠¦Huck was taught by the world that slavery was right. It was the way of life and the way it was supposed to be. All right, then, Ill go to hell. (206) Even though he thought this way he still knew the kind of man Jim was and disregarded what he knew to be right and wrong t o save Jim Throughout the story violence is used as a way to settle disputes or for a way for the people in the story to get what they want. Pap, for example, returned to find Huck so that he could take his money from him. While Huck stayed with his father for that short period of time, he was beaten. His father would constantly get drunk and usually beat him for no reason. The fact that Huck would not hand over the money and even went to court about the whole matter wasnt helping. Buck Sheperdson was caught right in the middle of the feud between his family and the Grangerfords. While Huck was out in the forest with the slave that wanted to show him the water moccasins, Buck was shot and killed by a member of the Grangerfords. He had paid the ultimate price for the feud as his cousin Bud did only 4 months prior to his death, and as many of his other relatives have done so in the past. Once again violence takes its toll as the heroic Tom Sawyer and Huck Finn try to rescue Jim. While risking his lives to take Jim away with them, Tom was shot in the shoulder by a pursuing town member. Throughout the novel Huck grows mentally and become somewhat more mature, thanksShow MoreRelatedSlavery in The Adventures of Huckleberry Finn1193 Words à |à 5 Pagesupon, hindering their mental freedom. Throughout Mark Twainââ¬â¢s The Adventures of Huckleberry Finn, two captives take a journey in order to free themselves, one for mental freedom, and the other, physical. The first, Huck, is a young boy attempting to break free of his upbringing as well as the oppressive caretaking of his guardian Miss Watson and his dad, Pap. The other, Jim, is the slave of Miss Watson, who wants to escape slavery in hopes of reconnecting with his family and from fear of being soldRead More The Adventures of Huckleberry Finn: A Portrait of Slavery in America2155 Words à |à 9 Pagesnbsp;nbsp; THE ADVENTURES OF HUCKLEBERRY FINN: A PORTRAIT OF SLAVERY IN AMERICA by John Femia At the surface, Mark Twainââ¬â¢s famed novel, The Adventures of Huckleberry Finn, is a thrilling narrative told by a 13-year-old boy who embarks on a perilous journey down the formidable Mississippi River aboard a tiny wooden raft. The storyââ¬â¢s sensationalism sometimes makes Huckââ¬â¢s journey seem unbelievable. Underneath, however, lies an authentic portrait of the institution of slavery in America during theRead MoreThe Adventures of Huckleberry Finn: a Portrait of Slavery in America2175 Words à |à 9 Pages THE ADVENTURES OF HUCKLEBERRY FINN: A PORTRAIT OF SLAVERY IN AMERICA by John Femia At the surface, Mark Twain s famed novel, The Adventures of Huckleberry Finn, is a thrilling narrative told by a 13-year-old boy who embarks on a perilous journey down the formidable Mississippi River aboard a tiny wooden raft. The story s sensationalism sometimes makes Huck s journey seem unbelievable. Underneath, however, lies an authentic portrait of the institution of slavery in America duringRead MoreThe Adventures Of Huckleberry Finn s Social Commentary On Slavery1368 Words à |à 6 Pageson Slavery in Huckleberry Finn Huckleberry Finn, written by Mark Twain over seven years, is considered one of the best American masterpieces ever published, and a very socially active novel. Through the plot and development of the main characters, Twain discussed the paradox of slavery in a free country, as well as his abolitionist beliefs on slavery. Throughout his life, he witnessed slavery in the United States as a whole and its impact on his life, which was transferred to include slavery in thisRead MoreIssue of Slavery on a Micro and Macro Level Depicted in Twains The Adventures of Huckleberry Finn1395 Words à |à 6 PagesSlavery is a gripping issue that can be viewed through an individuals experiences or through the general experiences of all those affected. The book The Adventures of Huckleberry Finn by Mark Twain does just that. Readers see a micro perspective through Jims experiences and a macro perspective through the constant illustrations of slavery throughout the book. Twain examines the issue o f Southern slavery in his novel from a macro and micro perspective in that he compares and contrasts JimsRead MoreScorning Slavery in Mark Twainà ´s The Adventures of Huckleberry Finn1466 Words à |à 6 PagesHave a Dreamâ⬠speech during the March on Washington. King believed that blacks and whites are equal and yearned for social justice. Nearly 100 years earlier, Mark Twain shared similar beliefs; he also agreed that blacks and whites are equal. In Huckleberry Finn, Twain criticizes the assumption that whites should control blacks, as well as the Southern belief that blacks are not as smart whites, or as capable of feeling human emotions. Twain criticizes the belief in the South that blacks are naturallyRead MoreRacism of Yesterday and Today Essay1655 Words à |à 7 PagesThe Adventures of Huckleberry Finn was written by Mark Twain in the middle of the nineteenth century. Much of the inspiration for the book came from Mark Twainââ¬â¢s own encounters. Twainââ¬â¢s experiences as a steamboat pilot from 1835 to 1845 provided a great deal of the historical context for his work. The novel revolves around a southern boy, Huck, and a slave named Jim who both reject society by running away in hopes of finding freedom. The Adventures of Huckleberry Finn highlights and portrays theRead MoreHuckleberry Finn Persuasive Essay1571 Words à |à 7 Pageslarge matter- ââ¬Ëtis the difference between the lightning bug and lightning.â⬠(Mark Twain). Mark Twain, the author of an extraordinary yet controversial novel; The Adventures of Huckleberry Finn had a great way of capturing moments in time and bringing them to life th rough the use of meaningful and direct diction. The Adventures of Huckleberry Finn has been a vexed novel for it s a use of the ââ¬Å"N-wordâ⬠. However, many scholars and associations have devised a ââ¬Å"solutionâ⬠for this problem such as, completelyRead MoreMark Twain and The Adventures of Huckleberry Finn1575 Words à |à 6 Pages Mark Twain and The Adventures of Huckleberry Finn Controversy Mark Twain, born Samuel Langhorne Clemens, is a highly recognizable figure in American literature. Born in Florida, Missouri Mark Twain and his family moved to Hannibal, Missouri where Twain discovered and fell in love with the mighty Mississippi River. The river and his life in Hannibal became his inspiration and guiding light in most of his writing. Although Twain loved the river and did a great deal of traveling, he eventuallyRead MoreHuckleberry Finn and the use of Satire Essay1109 Words à |à 5 Pages Huck Finn and the use of Satire Mark Twains The Adventures of Huckleberry Finn has been controversial ever since its release in 1884. It has been called everything from the root of modern American literature to a piece of racist trash. Many scholars have argued about Huck Finn being prejudiced. In The Adventures of Huckleberry Finn, Mark Twain uses satire to mock many different aspects of the modern world. Despite the fact that many critics have accused Mark Twainââ¬â¢s novel of promoting racism
Wednesday, May 13, 2020
Sample of MBA Essay
Sample of MBA Essay My Career All my life I have been trying to find my own career path. My aunt has graduated from a business college. She has been offered an interesting government job in China that she continues to hold up till now. In 1993 my aunt continued her studies and left the U. S. to get an MBA; later on she became a successful businesswoman in Washington. My fatherââ¬â¢s career path started in a similar way. He also managed to earn a business degree. That is why I had a good chance to realize my goals in the future and make the right choice of career path, as I could see how independent, flexible and self-confident my relatives are. In order to learn more about business, I have earned my degree in a business college. I have completely understood that a career in a famous company would enhance my professional skills and knowledge and provide me with an excellent introduction into the business. Moreover, I could be introduced to the business world. At the beginning of my career path I fulfilled a lot of challenging and interesting assignments with enthusiasm. Thus I improved my analytical skills and studied businesses from various angles. I worked there for a year and a half and ââ¬Å"earnedâ⬠an effective and beneficial experience but then I made up my mind to get better opportunity than my department was able to offer. Thus, when there was an opportunity to have practice in China, I decided not to miss this chance and try myself in a new service line. During the last two years I gained new skills, considerably enhanced my project management and development abilities. Moreover, my risk management capabilities as well as enterprise risk issues improved greatly.
Wednesday, May 6, 2020
Distance Time Walking Relationship Experimentation Free Essays
Physics Lab Report Distance Time Walking Relationship Experimentation For Mr. Williams SPH3U1-02 Sept. 13/10 Written by: Dong Chang, Gloria Chan, Sanjay Tanirige, and Waleed Shehzad Image credits Distance Time Walking Relationship Experimentation Purpose The purpose of this experiment is to determine the amount of time in seconds that it takes to walk a distance of 84 metres on the running track. We will write a custom essay sample on Distance Time Walking Relationship Experimentation or any similar topic only for you Order Now In addition, the person that is the most reliable to perform this test will have to be determined. Hypothesis We hypothesize that it will take approximately 103. 7 seconds to run the 84 metre of track by an average person. This value was derived from the average time that it takes to walk one metre from the person with the most average walking speed out of the group. Procedure Materials and Apparatus: â⬠¢ Metre Stick â⬠¢ â⬠¢ Method Part A: Finding most reliable walker 1. Place the metre stick on a sufficient space on the ground with some distance before and after it. Let the zero metre mark be the origin. 2. Start walking some distance before the origin (in the negative x-axis area). When the personââ¬â¢s stride is over the origin, the stopwatch is started. The person will keep on walking and maintain the same speed and heading with no acceleration until they have walked some distance past the 1 metre mark. Stop the stopwatch once the personââ¬â¢s stride is over the 1 metre mark. 3. Record the time that it takes to perform the action of walking 1 metre. Repeat Step 2 two more times so that you have three trials. Find the average time that it took the person to walk the 1 metre. 4. Repeat Steps 1-3 for each member of the roup. 5. Find the average that it takes for all members of the group to walk 1 metre by adding their averages and dividing by the amount of people in the group. Stopwatch with accuracy of 1/100 seconds Pre-marked area 84 metres long Distance Time Walking Relationship Experimentation 6. The person that has the closest personal average to the group average will be the most reliable walker for the group. Part B: Finding the time that it takes t o walk 84 metres 1. Mark the 84 metre track with the start and the finish. 2. Using the most reliable walker found in Part A, start walking some distance before the start line in order to achieve a constant velocity and have zero acceleration. Start the stopwatch when the personââ¬â¢s stride is over the start line, and stop the stopwatch when the personââ¬â¢s stride is over the finish line. 3. Record the time that it takes the person to walk the 84 metre length of track. Observations Record of the amount of time in seconds for a person to walk one metre. Walker Time 1 (seconds) 0. 90 0. 93 1. 08 1. 28 Time 2 (seconds) 1. 23 1. 16 1. 10 1. 08 Time 3 (seconds) 1. 6 1. 16 1. 18 1. 18 Time Average (seconds) 1. 13 1. 08 1. 12 1. 18 Dong Chang Gloria Chan Sanjay Tantirige Waleed Shahzad Therefore, the total average of everyoneââ¬â¢s time to walk one metre is: (1. 13s+1. 08s+1. 12s+1. 18s)/4 =4. 51s/4 =1. 275s ?1. 3 seconds The person with the closest personal average is Dong Chang, with an average time of 1. 13 seconds. Therefore, he is the most reliable to run the test. Distance Time Walking Relationship Experimentation The average time of the most reliable person to walk one metre. Walker Dong Chang Time (seconds) 1. 21 1. 37 1. 19 1. 5 1. 17 1. 28 1. 18 1. 12 1. 21 1. 25 Therefore the average of the time to walk one metre is 1. 233 seconds. To estimate the time it takes to walk 84 metres: Let x be the estimated time to walk 84 metres x=time*distance x=1. 233 seconds * 84 metres x=103. 572 seconds x ? 103. 57 seconds Therefore we estimate it would take 103. 57 seconds in order to walk 84 metres. Actual result of test to walk 84 metres: 106. 75 seconds Distance Time Walking Relationship Experimentation Percent Deviation of Test [(experimental value ââ¬â theoretical value)/theoretical value] * 100% [(106. 5s-103. 57s)/103. 57s]*100% =(3. 18s/103. 57s)*100% ?3. 07% Therefore the deviation is 3. 07% away from the hypothesis. Percent Difference of Trials (maximum difference in measurement)/average measurement * 100% [(1. 37s-1. 12s)/1. 233s]*100% =(0. 25s/1. 233s)*100% ?20. 3% Therefore the difference between the trials was 20. 3% Analysis 1. a) How did you choose the walker? We first had each person walk 1 metre three times each and timed them. An average time was assigned to each person based on their performance. Then we found the average that it takes for all members of the group to walk 1 metre by adding their personal averages and dividing by the amount of people in the group. The person that has the closest personal average to the group average will be the most reliable walker for the group because they are the most average. b) How did you design your classroom trials? We placed the metre stick beside the straight surface of the wall so that the walker can walk perpendicular to it as to not have any change in direction while conduction the trials. We set the 0 metre point of the ruler as the origin, and that was where we would start timing and we set the 1 metre point to where we would stop timing. The walker would start walking before the origin so they can maintain a constant velocity and have zero acceleration. When their stride is over the origin, we would start timing, and then their stride Distance Time Walking Relationship Experimentation is over the 1 metre mark, we would stop timing. We did this three times each for every group member to find who was the most reliable walker, and ten times more for the most reliable walker. . a) How did your classroom trials approximate the final verification? Our classroom trials help us obtain a proper hypothesis that was extremely close to our final test during the final verification. By using mathematical models and calculations with real world small scale measurements, we were able to predict the outcome of the experiment down to approximately 3% off. However, such trials seem mundane for such a low scale experiment which would probably have been done a lot faster if the final verification was done earlier. ) Who was the most reliable walker? Why? Dong Chang was the most reliable walker because his personal average time to walk 1 metre of distance is the closest to the groupââ¬â¢s total average to walk 1 metre. On average, the total group took 1. 275 seconds to walk 1 metre, with Dongââ¬â¢s time of 1. 30 seconds average the closest. 3. a) How accurate was your estimate? Our estimate was very accurate and only presented a 3. 07% deviation (see observations for calculations) from the final verification time. b) Area your results reliable to science? Our results are reliable to science due to the good design of our trials and experiments. We had a 3. 07% error, which is less than the 5% that would deem our results acceptable to science. Conclusion In physics, motion is a change in location or position of an object with respect to time. In this experiment, the walker exerts motion in order to change their position down a track. We were able to estimate the amount of time that it takes one to travel a certain distance with a set of scaled down trials. Distance Time Walking Relationship Experimentation How to cite Distance Time Walking Relationship Experimentation, Essays
Distance Time Walking Relationship Experimentation Free Essays
Physics Lab Report Distance Time Walking Relationship Experimentation For Mr. Williams SPH3U1-02 Sept. 13/10 Written by: Dong Chang, Gloria Chan, Sanjay Tanirige, and Waleed Shehzad Image credits Distance Time Walking Relationship Experimentation Purpose The purpose of this experiment is to determine the amount of time in seconds that it takes to walk a distance of 84 metres on the running track. We will write a custom essay sample on Distance Time Walking Relationship Experimentation or any similar topic only for you Order Now In addition, the person that is the most reliable to perform this test will have to be determined. Hypothesis We hypothesize that it will take approximately 103. 7 seconds to run the 84 metre of track by an average person. This value was derived from the average time that it takes to walk one metre from the person with the most average walking speed out of the group. Procedure Materials and Apparatus: â⬠¢ Metre Stick â⬠¢ â⬠¢ Method Part A: Finding most reliable walker 1. Place the metre stick on a sufficient space on the ground with some distance before and after it. Let the zero metre mark be the origin. 2. Start walking some distance before the origin (in the negative x-axis area). When the personââ¬â¢s stride is over the origin, the stopwatch is started. The person will keep on walking and maintain the same speed and heading with no acceleration until they have walked some distance past the 1 metre mark. Stop the stopwatch once the personââ¬â¢s stride is over the 1 metre mark. 3. Record the time that it takes to perform the action of walking 1 metre. Repeat Step 2 two more times so that you have three trials. Find the average time that it took the person to walk the 1 metre. 4. Repeat Steps 1-3 for each member of the roup. 5. Find the average that it takes for all members of the group to walk 1 metre by adding their averages and dividing by the amount of people in the group. Stopwatch with accuracy of 1/100 seconds Pre-marked area 84 metres long Distance Time Walking Relationship Experimentation 6. The person that has the closest personal average to the group average will be the most reliable walker for the group. Part B: Finding the time that it takes t o walk 84 metres 1. Mark the 84 metre track with the start and the finish. 2. Using the most reliable walker found in Part A, start walking some distance before the start line in order to achieve a constant velocity and have zero acceleration. Start the stopwatch when the personââ¬â¢s stride is over the start line, and stop the stopwatch when the personââ¬â¢s stride is over the finish line. 3. Record the time that it takes the person to walk the 84 metre length of track. Observations Record of the amount of time in seconds for a person to walk one metre. Walker Time 1 (seconds) 0. 90 0. 93 1. 08 1. 28 Time 2 (seconds) 1. 23 1. 16 1. 10 1. 08 Time 3 (seconds) 1. 6 1. 16 1. 18 1. 18 Time Average (seconds) 1. 13 1. 08 1. 12 1. 18 Dong Chang Gloria Chan Sanjay Tantirige Waleed Shahzad Therefore, the total average of everyoneââ¬â¢s time to walk one metre is: (1. 13s+1. 08s+1. 12s+1. 18s)/4 =4. 51s/4 =1. 275s ?1. 3 seconds The person with the closest personal average is Dong Chang, with an average time of 1. 13 seconds. Therefore, he is the most reliable to run the test. Distance Time Walking Relationship Experimentation The average time of the most reliable person to walk one metre. Walker Dong Chang Time (seconds) 1. 21 1. 37 1. 19 1. 5 1. 17 1. 28 1. 18 1. 12 1. 21 1. 25 Therefore the average of the time to walk one metre is 1. 233 seconds. To estimate the time it takes to walk 84 metres: Let x be the estimated time to walk 84 metres x=time*distance x=1. 233 seconds * 84 metres x=103. 572 seconds x ? 103. 57 seconds Therefore we estimate it would take 103. 57 seconds in order to walk 84 metres. Actual result of test to walk 84 metres: 106. 75 seconds Distance Time Walking Relationship Experimentation Percent Deviation of Test [(experimental value ââ¬â theoretical value)/theoretical value] * 100% [(106. 5s-103. 57s)/103. 57s]*100% =(3. 18s/103. 57s)*100% ?3. 07% Therefore the deviation is 3. 07% away from the hypothesis. Percent Difference of Trials (maximum difference in measurement)/average measurement * 100% [(1. 37s-1. 12s)/1. 233s]*100% =(0. 25s/1. 233s)*100% ?20. 3% Therefore the difference between the trials was 20. 3% Analysis 1. a) How did you choose the walker? We first had each person walk 1 metre three times each and timed them. An average time was assigned to each person based on their performance. Then we found the average that it takes for all members of the group to walk 1 metre by adding their personal averages and dividing by the amount of people in the group. The person that has the closest personal average to the group average will be the most reliable walker for the group because they are the most average. b) How did you design your classroom trials? We placed the metre stick beside the straight surface of the wall so that the walker can walk perpendicular to it as to not have any change in direction while conduction the trials. We set the 0 metre point of the ruler as the origin, and that was where we would start timing and we set the 1 metre point to where we would stop timing. The walker would start walking before the origin so they can maintain a constant velocity and have zero acceleration. When their stride is over the origin, we would start timing, and then their stride Distance Time Walking Relationship Experimentation is over the 1 metre mark, we would stop timing. We did this three times each for every group member to find who was the most reliable walker, and ten times more for the most reliable walker. . a) How did your classroom trials approximate the final verification? Our classroom trials help us obtain a proper hypothesis that was extremely close to our final test during the final verification. By using mathematical models and calculations with real world small scale measurements, we were able to predict the outcome of the experiment down to approximately 3% off. However, such trials seem mundane for such a low scale experiment which would probably have been done a lot faster if the final verification was done earlier. ) Who was the most reliable walker? Why? Dong Chang was the most reliable walker because his personal average time to walk 1 metre of distance is the closest to the groupââ¬â¢s total average to walk 1 metre. On average, the total group took 1. 275 seconds to walk 1 metre, with Dongââ¬â¢s time of 1. 30 seconds average the closest. 3. a) How accurate was your estimate? Our estimate was very accurate and only presented a 3. 07% deviation (see observations for calculations) from the final verification time. b) Area your results reliable to science? Our results are reliable to science due to the good design of our trials and experiments. We had a 3. 07% error, which is less than the 5% that would deem our results acceptable to science. Conclusion In physics, motion is a change in location or position of an object with respect to time. In this experiment, the walker exerts motion in order to change their position down a track. We were able to estimate the amount of time that it takes one to travel a certain distance with a set of scaled down trials. Distance Time Walking Relationship Experimentation How to cite Distance Time Walking Relationship Experimentation, Essays
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