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Author Question: Two cyclists who weigh the same and have identical bicycles ride up the same mountain, both starting ... (Read 72 times)

captainjonesify

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on: Jul 29, 2018
Two cyclists who weigh the same and have identical bicycles ride up the same mountain, both starting at the same time. Joe rides straight up the mountain, and Bob rides up the longer road that has a lower grade. Joe gets to the top before Bob.
 
  Ignoring friction and wind resistance, which one of the following statements is true? A) The amount of work done by Joe is equal to the amount of work done by Bob, but the average power exerted by Joe is greater than that of Bob.
  B) The amount of work done by Joe is greater than the amount of work done by Bob, and the average power exerted by Joe is greater than that of Bob.
  C) Bob and Joe exerted the same amount of work, and the average power of each cyclist was also the same.
  D) The average power exerted by Bob and Joe was the same, but Joe exerted more work in getting there.

Question 2

Which of the following numbers is the smallest?
 
  A) 15  10-3
  B) 0.15  100
  C) 0.00015  103
  D) 0.00000015  106
Physics ¦ Walker ¦ 5th Edition
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lindahyatt42

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Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

A


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