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Author Question: The escape speed from the moon is what fraction of Earth's escape speed? (Earth/Lunar mass ratio = ... (Read 173 times)

Pineappleeh

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on: Jul 27, 2018
The escape speed from the moon is what fraction of Earth's escape speed? (Earth/Lunar mass ratio = 81.3; Earth/Lunar radius ratio = 3.67)
 
  A) 0.045
  B) 0.17
  C) 0.61
  D) 0.41
  E) 0.21

Question 2

A 3. kg ball of putty moving at 1 m/s collides and sticks to a 2 kg ball initially at rest. The putty and ball then move with a momentum of
 
  A) 1 N-s.
  B) 2 N-s.
  C) 4 N-s.
  D) 3 N-s.
  E) 0 N-s.


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softEldritch

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

E

Answer to Question 2

D


Pineappleeh

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Reply #2 on: Jul 27, 2018
TY


softEldritch

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Reply #3 on: Jul 27, 2018
You're welcome


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