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Author Question: An astronaut stands by the rim of a crater on the Moon, where the acceleration of gravity is 1.62 ... (Read 115 times)

123654777

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on: Jul 29, 2018
An astronaut stands by the rim of a crater on the Moon, where the acceleration of gravity is 1.62 m/s2 and there is no air. To determine the depth of the crater, she drops a rock and measures the time it takes for it to hit the bottom.
 
  If the time is 6.3 s, what is the depth of the crater? A) 10 m
  B) 14 m
  C) 26 m
  D) 32 m
  E) 38 m

Question 2

You throw a golf ball at a massive bowling ball at rest and the golf ball bounces backward from it. After the bounce, compared with the golf ball, the bowling ball has more
 
  A) momentum, but less kinetic energy.
  B) kinetic energy, but less momentum.
  C) momentum and more kinetic energy.
  D) less momentum and less kinetic energy.
  E) not enough information


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blazinlyss

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

D

Answer to Question 2

Answer: A


123654777

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


blazinlyss

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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