Christi-Anne Beatty Wednesday‚ March 27‚ 2013 English IIB Acc. 2nd Period Why People Should Exercise More Physical exercise is one of the most important things in the world. With proper exercise you can avoid or reduce the risk of cardiovascular disease‚ breast cancer‚ and improve your brain power. Now wouldn’t that be nice? If you were to get exercise regularly you could become a doctor with your brain power‚ and with that much skill you could help cure people of these formidable illnesses
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Efficient Propeller Design | AbstractHow does a helicopter generate enough lift to fly? How does a speedboat get moving fast enough to pull someone on water skis? Here ’s a project on designing propellers to do the job. ObjectiveThe goal of this project is to investigate how changes in chord length affect the efficiency of propellers.IntroductionA propeller‚ like an airplane wing‚ is an airfoil: a curved surface that can generate lift when air moves over it. When air moves over the surface of
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An efficient market is a market in which prices can always fully reflect available information. According to Andrei Shleifer‚ Market efficiency is theoretically based on three conditions‚ which are investor rationality‚ independent deviations from rationality and unlimited arbitrage. If three conditions cannot be satisfied‚ the market might be not efficient. Thus‚ investors’ rational behavior leads to stock market efficiency. For instance‚ when a company releases new information‚ for all investors
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should private car owners be taxed for pollution? With people’s living conditions getting better and better‚ many people now have their private cars. There’s no doubt that it is because of cars that we lead a more convenient life.By cars ‚ we can go many places which are far from us. Besides ‚ cars can save us a lot of time to go to distance. However‚ in recent days‚ a discussion has hit us about whether private car owners should be taxed for pollution. In my opinion‚ they should
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H: today we need to discuss an interesting topic is “do you thginks cars should be banned from city centers. Do you agree or disagree? In my opinion‚ I think cars should not be banned because people might not be able to get to work. Its unfair that we can not use our cars in the city centre. People might not like going on buses to the city centre because teenagers might cause trouble. Or you might not be able to get a seat. Some people might not like going on buses because there sometimes dirty
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The quote shows a strong relation to the efficient market hypothesis (EMH)‚ as it implies that the costs of capital are dependent from the amount of information given by the company. According to my opinion‚ agency theory is a good explanation for costs of capital. Agency theory defines contracts as under which one party – called principal – engages another party – called the agent – to perform service on the principal’s behalf. Concluding‚ the principal delegates
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Laws to legalize self driving cars is a good thought‚ but it disrespects experienced drivers. The self driving cars are a cop out for people new to driving because they are lazy and don’t want to learn properly. Experienced drivers don’t want to waste their time on teens who don’t care about driving and focus on those who really are serious about the idea of operating a vehicle the right way. Self driving cars can be a negative thing because of all the human error involved. In one instance‚ one
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Instructions for Efficient-Frontier Construction a. Estimation The goal is to obtain the raw ingredients – expected returns‚ standard deviations and correlations. Historical data are used for this purpose. As a rule of thumb‚ five years of daily data are probably right (one year should be the absolute minimum). Keep in mind the following: 1) make sure to use the adjusted close prices to calculate returns (so that you won’t have large‚ spurious negative returns due to dividend payments or splits)
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write down the three forms of efficient market hypothesis‚ emh how do they differ? What are the consequences for an investor? Efficient market hypothesis (EMH) is investment theory. It states stocks are regularly exchanged for a moderate value on stock exchanges. Thus‚ it is hardly possible for investors to either invest in undervalued stocks or sell stocks for amplified prices. The three forms are: 1. Weak form EMH The weak form EMH designates market is efficient when the past market information
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such as red cod‚ spotty and kahawai challenge them. There are predators such as dolphins‚ sharks and also people. Their gas exchange system has to be efficient for them to be able to compete with those fish and escape from predators. Fish live in an acquatic environment. Water contains a less % 02 than the air so fish mush have a very efficient gas exchange system. This has prompted the development of the gill system. Air has 20% 02‚ water has much less. The gills are supported by the gill arch
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