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Author Question: Reverberation of sound occurs for A) sound interference. B) forced vibrations. C) re-echoed ... (Read 139 times)

jerry coleman

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on: Jul 29, 2018
Reverberation of sound occurs for
 
  A) sound interference.
  B) forced vibrations.
  C) re-echoed sound.
  D) resonance.
  E) none of the above

Question 2

The least energy required to produce forced vibration in an object occurs
 
  A) below its natural frequency.
  B) at its natural frequency.
  C) above its natural frequency.
  D) none of the above


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Kingjoffery

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

Answer: C

Answer to Question 2

Answer: B


jerry coleman

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Reply 2 on: Jul 29, 2018
Excellent

hollysheppard095

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Reply 3 on: Yesterday
Gracias!

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