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Show that the thermal efficiency of an ideal Otto cycle is given by
Where the ratio r = V1/V2 is called either the compression ratio or the expansion ratio for a gasoline engine. In practice, r cannot be made greater than about 10, because if r is larger, then the rise in temperature upon compression of the mixture of gasoline and air is great enough to cause combustion before the discharge of the spark. This is called preignition. Take r equal to 9 and, ϒ equal to approximately 1.3 (because it is a mixture) and calculate the thermal efficiency.
you will turn in a final version of the 1200-1500 word critical essay about the three works addressing the following
discuss how the artistic culture in either India, China, or Japan (select one) exhibits influence from Western cultures.
paragraph 1 .....the global warming hypothesis originated in 1896 when svante arrhenius a swedish chemist developed the
If the change in specific volume on melting is -9.05 x 10-5 m3 Ikg, then calculate the change of melting temperature due to change of pressure.
Write a one-page paper, How did the work of Mary Leakey contribute to our knowledge of early hominids and an understanding of human evolution?
A large supermarket chain would like to know what factors influence potential customers to come to their supermarkets. They have asked you to investigate this and build a regression model to estimate the number of customers that use any one of the..
Reflect on a culture that is interesting to you, but one with which you are personally unfamiliar. If you were to meet someone who belonged to that culture.
What factors are likely to cause a person who comes to the United States from another culture, with different norms for conversational space, to maintain the norms from his or her culture of origin?
1 discuss the new immigrants of the late 19th and early 20th centuries. who were they and how did they differ from
1 of 10logical fallacies abuse the power of ethos appealstruefalsequestion2 of 10mister smith believes the cause of the
one thing we all look forward to as we age is to enjoy our life after years of hard work. the entire notion of
How is your communication different when you first meet a stranger, when you get to know the person and find something in common, and when you get to be good friends?
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