Question

is sound is related to motion ?
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Answer 1

Does motion affect sound? If you pay attention, your ears will most likely tell you the answer is “yes,” specifically in frequency. This effect is readily noticed with respect to the sound from fast-moving vehicles

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Answer 2

Answer:

Stated simply, the Doppler effect is a change in the observed frequency of a wave caused by relative motion between the source of the waves and the observer receiving them. When the waves are sound waves, the change in frequency is perceived as a change in pitch.