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Doppler effect of sound

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A sound has a frequency of 1000 Hz. If a listener moves with a speed of 30 m/s away from the source, what is the frequency heard by the observer? (The speed of sound is 340 m/s for this problem.)

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Solution Summary

This solution provides a step-by-step explanation of a physics problem involving the Doppler effect.

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Doppler's effect
Doppler's effect is about the apparent change in the frequency of sound as observed by an observer when the source of the sound and/or the observer are moving.

(Please see the attached file)

Let us consider a source of sound moving right with velocity Vs and an ...

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