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Author Question: The number of times in a second a vibration completes one cycle is known as its: a. attack. b. ... (Read 54 times)

NguyenJ

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on: Aug 11, 2018
The number of times in a second a vibration completes one cycle is known as its:
 
  a. attack.
  b. velocity.
  c. frequency.
  d. amplitude.

Question 2

The point in a sound wave at which a partial vacuum occurs is the point of:
 
  a. compression.
  b. rarefaction.
  c. elasticity.
  d. propagation.


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ju

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Reply #1 on: Aug 11, 2018
Answer to Question 1

C

Answer to Question 2

B


NguyenJ

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Reply #2 on: Aug 11, 2018
Thanks


ju

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Reply #3 on: Aug 11, 2018
Welcome :)


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