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Author Question: At a given instant, the acceleration of a certain particle is zero. This means that A) the ... (Read 997 times)

Bob-Dole

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At a given instant, the acceleration of a certain particle is zero. This means that
 
  A) the velocity is constant.
  B) the velocity is increasing.
  C) the velocity is decreasing.
  D) the velocity is not changing at that instant.
  E) the velocity is zero.

Question 2

On a horizontal frictionless floor, a worker of weight 0.900 kN pushes horizontally with a force of 0.200 kN on a box weighing 1.80 kN. As a result of this push, which statement could be true?
 
  A) The box will not move because the push is less than its weight.
  B) The worker and box will both have an acceleration of 1.08 m/s2, but in opposite directions.
  C) The worker and box will both have an acceleration of 2.17 m/s2, but in opposite directions.
  D) The worker will accelerate at 1.08 m/s2 and the box will accelerate at 2.17 m/s2, but in opposite directions.
  E) The worker will accelerate at 2.17 m/s2 and the box will accelerate at 1.08 m/s2, but in opposite directions.



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katieost

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Answer to Question 1

D

Answer to Question 2

E




Bob-Dole

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review


at

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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