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Author Question: A uniform rod (mass m = 1.0 kg and length L = 2.0 m) pivoted at one end oscillates in a vertical ... (Read 139 times)

rl

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on: Jul 28, 2018
A uniform rod (mass m = 1.0 kg and length L = 2.0 m) pivoted at one end oscillates in a vertical plane as shown below. The period of oscillation (in s) is approximately
 
 
 
   
  a.
  4.0.
   
  b.
  1.6.
   
  c.
  3.2.
   
  d.
  2.3.
   
  e.
  2.0.

Question 2

Two circus clowns (each having a mass of 50 kg) swing on two flying trapezes (negligible mass, length 25 m) shown in the figure. At the peak of the swing, one grabs the other, and the two swing back to one platform. The time for the forward and return motion is
 
 
 
   
  a.
  10 s.
   
  b.
  50 s.
   
  c.
  15 s.
   
  d.
  20 s.
   
  e.
  25 s.


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Athena23

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

d

Answer to Question 2

a


rl

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Reply 2 on: Jul 28, 2018
Gracias!

apple

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Reply 3 on: Yesterday
Wow, this really help

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