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Author Question: A shock wave is produced when a wave source moves A) nearly as fast as the waves it produces. B) ... (Read 122 times)

bclement10

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A shock wave is produced when a wave source moves
 
  A) nearly as fast as the waves it produces.
  B) as fast as the waves it produces.
  C) faster than the waves it produces.
  D) none of the above

Question 2

A red shift for light indicates that the light source is moving
 
  A) toward you.
  B) away from you.
  C) both of these
  D) neither of these



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isabelt_18

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Answer to Question 1

Answer: C

Answer to Question 2

Answer: B





 

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