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Author Question: Sound refraction can occur when the speed of sound A) remains constant. B) changes. C) ranges ... (Read 141 times)

schs14

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on: Jul 29, 2018
Sound refraction can occur when the speed of sound
 
  A) remains constant.
  B) changes.
  C) ranges below supersonic.
  D) none of the above

Question 2

An explosion occurs 34 km away. The time it takes for its sound to reach your ears, traveling at 340 m/s, is
 
  A) 0.1 s.
  B) 1 s.
  C) 10 s.
  D) 20 s.
  E) more than 20 s.


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ASDFGJLO

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

Answer: B

Answer to Question 2

Answer: E


schs14

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Reply #2 on: Jul 29, 2018
TY


ASDFGJLO

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Reply #3 on: Jul 29, 2018
You're welcome


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