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Author Question: The use of the term sound waves in air is meant to describe: 1.the position of air molecules. ... (Read 89 times)

saraeharris

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The use of the term sound waves in air is meant to describe:
   
  1.the position of air molecules.
  2.the velocity of air molecules.
  3.the pressure variations in air.
  4.the displacement of air molecules.
  5.the flow of energy through the air.

Question 2

Two sound waves can interfere:
  1.only when traveling in the same direction.
  2.only when the frequencies are the same.
  3.only when both are sinusoidal.
  4.only when the phase difference is constant.
  5.None of the above.



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mathjasmine

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Answer to Question 1

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Answer to Question 2

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mathjasmine

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