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    structures 1. This drill contains an electric motor. The diagram below shows the main parts of an electric motor. The carbon contacts are made of graphite. Springs push the contacts against the copper ring. The contacts conduct electricity to the copper ring. The copper ring rotates rapidly but does not stick or become worn because the graphite is soft and slippery. Graphite has properties which are ideal for making the contacts in an electric motor. Explain‚ in terms of structure and

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    Abraham Lincoln‚ the 16th president of the United States of America‚ was the man who rose to the presidency and took the steps needed to end the situation of separation by making sure the South didn’t secede from the Union and continue to be a slave-owning population. An emancipator frees people from bondage or oppression‚ Lincoln’s main priority in his term in office was to re-unite the North and South‚ not to free the slaves. He believed that white people were superior to African-Americans and

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    Kennedy and Lincoln Abraham Lincoln was the 16th President of the United States of America. He served as President when the country was under war. Abe Lincoln was born in 1806 and grew up in the countryside as a pioneer. His mother died at a young age and he had a sister. His father married a widow that had three children and Abe Lincoln liked her very much. Every day he attended school and worked very hard on his father’s farm. John F. Kennedy was born in 1917 and died in 1963. John

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    In 1996‚ one car stood out above the rest. With its zero emissions and sporty‚ sleek design‚ the General Motors EV-1 was unstoppable. This car ran entirely without gas or oil of any kind. It ran only on electric power which made it very eco-friendly. It was built to comply with California’s zero emissions vehicle mandate that stated if auto makers wanted to sell cars in California some of those cars would have to be no exhaust

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    In 1996‚ electric cars began to appear on roads all over California. They were quiet and fast‚ produced no exhaust and ran without gasoline........... Ten years later‚ these futuristic cars were almost completely gone." ’Who Killed the Electric Car’ is a documentary which unfolds a complex set of events around the development and demise of the modern electric car. The story stems from California from the early 1990s to 2006. Chris Paine‚ the film maker has woven together interviews and archival

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    HOW AN ELECTRIC GENERATOR WORKS Electrical generators by definition are devices that convert mechanical energy into electric energy. The mechanical energy in turn is produced from chemical or nuclear energy in various types of fuel‚ or obtained from renewable sources such as wind or falling water.  Steam turbines‚ internal-combustion engines‚ gas combustion turbines‚ electric motors‚ water and wind turbines are the common methods to supply the mechanical energy for such devices. Generators

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    Everything has a trade-off and opportunity cost. Electric cars are no exception. The first thing that caught my attention was the mileage. In the article and video‚ Rick Peters’ electric car only goes 25 miles per hour. You cannot get very far with that‚ especially since the farthest you can go in it is 30 miles per charge. I drive a Toyota Camry‚ and I drive 9.2 miles every day to school. It takes me 12-15 minutes to drive to school. If you ignore the speed limit on the roads (it is 55 mph)‚ it

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    The Function of an Electric Citrus Juicer Amanda M Sparboe Montana Tech of the University of Montana WRIT 121-03 Professor Wick March 8‚ 2013 Introduction The following document is a full description of the basic function of an electric citrus juicer. There are many types of juicers‚ some much more complex than others. However‚ an electric citrus juicer is a more basic type of juicer composing of only seven simple parts. These parts all work together in a basic orderly manner

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    outcome are countable 8. The mean life of pair of shoes is 40 months with a standard deviation of 8 months. If the life of the shoes is normally distributed‚ how many pairs of shoes out of one million will need replacement before 36 months? 308‚500 9. If the sampled population has a mean of 48 and standard deviation 16‚ then the mean and the standard deviation for the sampling distribution x for n=16 48 and 4 10. The MPG (MILES PER GALLON) for a mid-size car is normally distributed with a mean of

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    Presidential Outline Assignment #3  eE    I. Abraham Lincoln‚ #16‚   II. Born on February 12‚ 1809‚ in Hardin County‚ Kentucky  III. In order to support his family‚ Lincoln had to be constantly working and this took a toll  on his education. He had few periods enrolled in local schooling. He worked as a  shopkeeper and a postmaster and eventually became involved in local politics as a  supporter of the Whig Party‚ winning election to the Illinois state legislature in 1834.  Lincoln taught himself law‚ passing the bar examination in 1836

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