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Author Question: Assuming muscles are 20 efficient, at what rate is a 60. kg boy using energy when he runs up a ... (Read 32 times)

danielfitts88

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  • Posts: 535
on: Jul 27, 2018
Assuming muscles are 20 efficient, at what rate is a 60. kg boy using energy when he runs up a flight of stairs 10. m high, in 8.0 s?
 
  What will be an ideal response?

Question 2

Consider an Earth satellite in an elliptical orbit. Its centripetal acceleration is
 
  A) zero.
  B) > g at the satellite.
  C) < g at the satellite.
  D) constant.
  E) g at the satellite.


aprice35067

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  • Posts: 337
Reply #1 on: Jul 27, 2018
Answer to Question 1

147 kW

Answer to Question 2

E


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