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Author Question: Which doesn't belong to the same family? A) infrasonic waves B) ultrasonic waves C) radio waves ... (Read 78 times)

EY67

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on: Jul 29, 2018
Which doesn't belong to the same family?
 
  A) infrasonic waves
  B) ultrasonic waves
  C) radio waves
  D) shock waves
  E) longitudinal waves

Question 2

A sonic boom cannot be produced by
 
  A) an aircraft flying slower than the speed of sound.
  B) a whip.
  C) a speeding bullet.
  D) all of the above


macagn

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

Answer: C

Answer to Question 2

Answer: A


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