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Author Question: When we say work is done by a force, we mean the force does a. all the work. b. positive work. c. ... (Read 129 times)

fasfsadfdsfa

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When we say work is done by a force, we mean the force does
 a. all the work. b. positive work.
  c. negative work. d. zero work.

Question 2

Consider a situation where a constant force of 25 N acts on an object having a mass of 2 kg for 3 seconds.What is the magnitude of the change in the object's momentum?
 a. 150 kg m/s
  b. 50 kg m/s
  c. 75 kg m/s
  d. undeterminednot enough information given
  e. none of the above



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nekcihc358

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Answer to Question 1

b

Answer to Question 2

c





 

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