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Author Question: A pendulum bob of mass m is set into motion in a circular path in a horizontal plane as shown in the ... (Read 261 times)

hubes95

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on: Jul 28, 2018

A pendulum bob of mass m is set into motion in a circular path in a horizontal plane as shown in the figure. The square of the angular momentum of the bob about the vertical axis through the point P is
 
   


   
  a.
  m2 gl3 sin4 /cos
   
  b.
  m2 gl3 sin3 /cos
   
  c.
  m2 gl3 sin2 /cos
   
  d.
  m2 gl3 sin /cos
   
  e.
  m2 gl3 sin2

Question 2

A puck on a frictionless air hockey table has a mass of 5.0 kg and is attached to a cord passing through a hole in the surface as in the figure. The puck is revolving at a distance 2.0 m from the hole with an angular velocity of 3.0 rad/s. The angular momentum of the puck (in kgm2/s) is
 
   


   
  a.
  80
   
  b.
  20
   
  c.
  30
   
  d.
  60
   
  e.
  50


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smrerig

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

a

Answer to Question 2

d


hubes95

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  • Posts: 561
Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

carojassy25

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Reply 3 on: Yesterday
Excellent

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