Question #310553

A source of sound moves towards a stationary observer with a speed of ⅓ that of sound. If the frequency of the sound from the source is 100Hz, what is the apparent frequency of the sound heard by the observer


1
Expert's answer
2022-03-13T18:46:51-0400

ν′=νv1+v2v1−v2=2ν=200 Hz.\nu'=\nu\frac{v_1+v_2}{v_1-v_2}=2\nu=200~Hz.


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