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Author Question: A 2.00 m-long 6.00 kg ladder pivoted at the top hangs down from a platform at the circus. A 42.0 kg ... (Read 97 times)

drink

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on: Jul 28, 2018
A 2.00 m-long 6.00 kg ladder pivoted at the top hangs down from a platform at the circus. A 42.0 kg trapeze artist climbs to a point where her center of mass is at the center of the ladder and swings at the system's natural frequency. The angular frequency (in s-1) of the system of ladder and woman is
 a. 1.01.
  b. 3.07.
  c. 4.03.
  d. 8.05.
  e. 16.2.

Question 2

In an inertia balance, a body supported against gravity executes simple harmonic oscillations in a horizontal plane under the action of a set of springs. If a 1.00 kg body vibrates at 1.00 Hz, a 2.00 kg body will vibrate at
 a. 0.500 Hz.
  b. 0.707 Hz.
  c. 1.00 Hz.
  d. 1.41 Hz.
  e. 2.00 Hz.


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bd5255

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

B

Answer to Question 2

B


drink

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Reply 2 on: Jul 28, 2018
Gracias!

frankwu0507

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Reply 3 on: Yesterday
:D TYSM

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