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4 September, 10:45

What happens to the velocity of a sound wave in air if the temperature of the air increases?

A velocity increases

B. velocity does not change

C. velocity decreases

D. velocity drops to zero

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Answers (2)
  1. 4 September, 11:04
    0
    A. velocity increases

    Explanation:

    If the temperature f the air increases then the velocity of the sound wave increases in the air because at the high temperature, air molecules have more energy and they vibrate very fast.
  2. 4 September, 11:13
    0
    the answer would be A. velocity increases.
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