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Author Question: An object's angular momentum changes by 10 kg-m2/s in 2.0 s. What magnitude average torque acted on ... (Read 130 times)

iveyjurea

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on: Jul 27, 2018
An object's angular momentum changes by 10 kg-m2/s in 2.0 s. What magnitude average torque acted on this object?
 
  A) 2.5 N-m
  B) 40 N-m
  C) 10 N-m
  D) 5 N-m
  E) 20 N-m

Question 2

How much energy would be required to accelerate a 77. kg professor from rest to 90 the speed of light?
 
  A) 2.3 mc2
  B) 0.30 m c2
  C) 1.3 m c2
  D) 0.41 m c2
  E) 0.50 m c2


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spencer.martell

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Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

C


iveyjurea

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Reply 2 on: Jul 27, 2018
Excellent

olderstudent

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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