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Author Question: A potter's wheel decelerates from 50 rev/min to 30 rev/min in 5.0 s, with a constant deceleration. ... (Read 621 times)

Jipu 123

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on: Jul 29, 2018
A potter's wheel decelerates from 50 rev/min to 30 rev/min in 5.0 s, with a constant deceleration. What is the magnitude of the deceleration?
 
  A)
 
  4.0 rad/s2
 
  B)
 
  0.42 rad/s2
 
  C)
 
  25 rad/s2
 
  D)
 
  38 rad/s2
 
  E)
 
  20 rad/s2

Question 2

A mass of 1.53 kg is attached to a spring and the system is undergoing simple harmonic oscillations with a frequency of 1.95 Hz and an amplitude of 7.50 cm.
 
  What is the speed of the mass when it is 3.00 cm from its equilibrium position?
  A)
 
  0.0368 m/s
 
  B)
 
  0.551 m/s
 
  C)
 
  0.421 m/s
 
  D)
 
  0.842 m/s
 
  E)
 
  0.919 m/s


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leeeep

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

B

Answer to Question 2

D


Jipu 123

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Reply #2 on: Jul 29, 2018
Thanks


leeeep

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Reply #3 on: Jul 29, 2018
Welcome :)


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