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Author Question: A block having mass m travels along a horizontal frictionless surface with velocity vx. What impulse ... (Read 26 times)

renzo156

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on: Jul 28, 2018
A block having mass m travels along a horizontal frictionless surface with velocity vx. What impulse must be delivered to the block to reverse its direction?
  1.2mvx
  2.mvx
  3.0
  4.mvx
  5.2mvx
  6.None of the above
  7.Cannot be determined

Question 2

A block having mass m travels along a horizontal frictionless surface with speed v. What is the smallest amount of work that must be done on the block to reverse its direction?
  1.mv
  2.mv
  3.0
  4.mv
  5.mv
  6.None of the above
  7.Cannot be determined


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tkempin

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Reply #1 on: Jul 28, 2018
Answer to Question 1

1,2,7

Answer to Question 2

3


renzo156

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  • Posts: 526
Reply 2 on: Jul 28, 2018
Excellent

coreycathey

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Reply 3 on: Yesterday
Wow, this really help

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