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Author Question: A batter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball ... (Read 111 times)

littleanan

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on: Jul 29, 2018
A batter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. The ball remains in contact with the bat for 2.0 ms.
 
  What is the magnitude of the average force exerted by the bat on the ball?

Question 2

What is the mass of a ball moving at 3 m/s with a momentum of 48 kgm/s?
 
  A) 4 kg
  B) 12 kg
  C) 16 kg
  D) 144 kg
  E) none of these


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emilymalinowski12

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

4900 N

Answer to Question 2

Answer: C


littleanan

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


emilymalinowski12

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


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