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Author Question: An object hits a wall and bounces back with half of its original speed. What is the ratio of the ... (Read 37 times)

roselinechinyere27m

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on: Jul 29, 2018
An object hits a wall and bounces back with half of its original speed. What is the ratio of the final kinetic energy to the initial kinetic energy of the object?
 
  A) 1/2
  B) 1/4
  C) 1/8
  D) 1/16

Question 2

If you weighed 800 newtons on Earth, how much would you weigh at 6000 km one Earth radius above the surface of Earth?
 
  A) 200 newtons
  B) 3200 newtons
  C) 800 newtons
  D) 1600 newtons
  E) 400 newtons


jlaineee

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

B

Answer to Question 2

A


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