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Author Question: You swing a bat and hit a heavy box with a force of 1500 N. The force the box exerts on the bat is ... (Read 99 times)

laurencescou

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on: Jul 29, 2018
You swing a bat and hit a heavy box with a force of 1500 N. The force the box exerts on the bat is
 
  A) exactly 1500 N only if the box does not move.
  B) exactly 1500 N whether or not the box moves.
  C) greater than 1500 N if the box moves.
  D) less than 1500 N if the box moves.
  E) greater than 1500 N if the bat bounces back.

Question 2

You and your friend want to go to the top of the Eiffel Tower. Your friend takes the elevator straight up. You decide to walk up the spiral stairway, taking longer to do so.
 
  Compare the gravitational potential energy (U) of you and your friend, after you both reach the top. A) It is impossible to tell, since the times are unknown.
  B) It is impossible to tell, since the distances are unknown.
  C) Your friend's U is greater than your U, because she got to the top faster.
  D) Both of you have the same amount of potential energy.
  E) Your U is greater than your friend's U, because you traveled a greater distance in getting to the top.


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DHRUVSHAH

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

B

Answer to Question 2

D


laurencescou

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Reply #2 on: Jul 29, 2018
TY


DHRUVSHAH

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Reply #3 on: Jul 29, 2018
You're welcome


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