Energy Use by Cars. There are approximately 1 billion automobilesin use worldwide. If
Chapter 10, Problem 52(choose chapter or problem)
Energy Use by Cars. There are approximately 1 billion automobilesin use worldwide. If the average auto runs 1 hour a day, at50 horsepower, what is the resultant total average power useby cars, in watts? How does this amount of power compare tothe amount Earth gets from sunlight? Note that 1 horsepoweris 746 watts and (Hint: Youll firstneed to figure out the average number of cars running at anyone time, and once you find the total power for the cars, youllneed to divide by Earths surface area in square meters so thatyou can compare it to the solar power given in 50.)
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