Speed of Sound in Air By: James Chen Lab Partner: Jin Zhang and Jake Salpeter Phys 130‚ Lab section: EE11 TA: Khaled Elshamouty Date of lab: October 29‚ 2013 Introduction Sound is a longitudinal (compressional) wave caused by a vibrating source. In this experiment‚ we use standing sound waves created by the tuning forks to determine the speed of sound in air in a tube when it reaches different resonances. In this lab we focused primarily on using standing sound waves (compressional
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Air pollution has become one of the most important concerns of the local authorities of Latin- American cities. Bogotá‚ like as other urban centers in South America such as Sao Paulo‚ Mexico City and Santiago de Chile‚ shows significant levels of air pollution‚ levels that may represent a high risk for the population’s health and certainly a reduction in the quality of life of its inhabitants. Bogotá‚ capital of Colombia‚ is one of the largest cities of Latin America; with a population of around
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discussing the Clean Air Act of 1970 along with the amendments made in 1977 and 1990. I will discuss the law and some of the provisions that have been made. I will discuss the economic impact as a result of this law; if there are any fines‚ costs‚ or benefits economically along with data to support this information. I will also discuss my feelings on whether this law has been beneficial and also provide information to support my answer. Clean Air Act The Clean Air Act of 1970 is a federal
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1. Excecutive Summary 1.0 Introduction FRANKROJEIAN Snack House start-up a small bakery that rent in 1.1 The Company FRANKROJEIAN Snack House is a Partnership business‚ this will be under supevision of the five partners as the owner of the business. The business wiill be renting a space at the Sienna building Alunan Avenue near government offices‚ schools and private sectors. 1.2 The Products and Servies FRANKROJEIAN Snack House offers the following food and beverages to customers • Cakes
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(two total) for Up in the Air response/reaction paper’s theme: how the film relates to the contemporary economic situation in this country. 1. taking risks without knowing the outcomes i. when Ryan walks out on his big “What’s in Your Backpack?” speech to go see Alex ii. when Ryan sadly accepts the Internet method of firing that Natalie develops iii. Ryan’s speech to his future brother-in-law (“Life is better with company…everyone needs a co-pilot”) 2. how companies treat loyal employees
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Air Pollution 20.000 liters of air is what we breathe on a daily basis. Air is something most people take for granted‚ you don’t see it around you and breathing goes automatically. But every time we inhale we risk inhaling dangerous chemicals which found their way in our air. Air pollution is the presence of dangerous chemicals in the air that we breathe. It is a change in the air which influences humans health and organism on the planet. Many think that `gases’’ pollute the air‚ those gases
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Competing coffee companies Industry Analysis According to Starbucks corporation‚ 66 billion cups of coffee are drunk every year in the U.S. and a full three quarters of those cups of coffee are enjoyed at home. The other 25% of coffee is drunk at the office‚ traveling‚ or in a coffee shop (CNN Money). Starbucks has no clear competition; however the closest competitors include other specialty coffee shops‚ doughnut shops‚ and restaurants. Starbucks holds a dominant position in the specialty coffeehouse
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AIR POLLUTION The main reason of Air Pollution is burning of fossils fuels in large quantities accent decades has resulted in gradual increase in carbon dioxide content in the atmosphere. It is estimated that content of carbon dioxide has increased by 25% during the last 100 years. Carbon dioxide allows in solution to pass through but absorbs out going terrestrial radiation increase of Carbon dioxide in the atmosphere has the effect of increasing the temp of atmosphere. It is estimated that global
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Air Conditioning Repair in Arlington‚ Texas With the arrival of spring comes warmer days‚ and as the temperatures get into the 80’s homeowners are turning on the AC. Unfortunately for some‚ they find the AC blowing warm air rather than the cold conditioned air expected. There can be a number of things causing the lack of air conditioning‚ and a few are simple fixes. Before calling Minuteman Heating & AC to schedule air conditioning repair in Arlington‚ Texas‚ check the following: Circuit Breaker
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The Joys of Traveling By Air With the various methods of travel nowadays‚ traveling by air is by far the most convenient and enjoyable method (Irony). The hours spent in the airport‚ waiting to get on board‚ are totally worth the gourmet plane food‚ the lazy-boy quality seats‚ and the spacious setting (Alliteration). On the day of your flight‚ it is highly recommended to arrive hours in advance for security purposes. This is entirely understandable because the heightened security is necessary to
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