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Author Question: A simple harmonic oscillator is undergoing oscillations with an amplitude A. How far is it from its ... (Read 80 times)

tichca

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on: Jul 29, 2018
A simple harmonic oscillator is undergoing oscillations with an amplitude A. How far is it from its equilibrium position when the kinetic and potential energies are equal?
 
  A) A/2
  B) A/
  C) A
  D) A/3
  E) A/

Question 2

A 3000-N bear grasping a vertical tree slides down at constant velocity. The friction force between the tree and the bear is
 
  A) 30 N.
  B) 300 N.
  C) 3000 N.
  D) more than 3000 N.


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aburgess

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

B

Answer to Question 2

Answer: C


tichca

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

Viet Thy

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Reply 3 on: Yesterday
Wow, this really help

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