If the pitch of a sound decreases and the sound source is moving, is the sound source moving toward or away from the observer?

Question

Physics

Elise Boyd

20 November, 17:33

If the pitch of a sound decreases and the sound source is moving, is the sound source moving toward or away from the observer?

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Answers (1)

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Tommy Nguyen · Answer 1

If the distance between you and the source is increasing, then

you'll hear a sound with a lower pitch than the sound the source

is actually making. Either you're moving away from the source,

or the source is moving away from you.