Question

(7 points) If the pitch of a sound is decreasing, is the object emitting the sound moving toward or away from the observer? Explain your answer in terms of frequency.

(7 points) If the pitch of a sound is increasing, is the object emitting the sound moving toward or away from the observer? Explain your answer in terms of frequency.

Answers

R_scott
a decreasing pitch means that the wavelength
... (distance between peaks) is increasing with each peak
... the increasing distance means that the peaks reach the observer
... less frequently ... a lower pitch

this is caused by the source moving away from the observer


the opposite is true for a source moving toward the observer
Micheal
You are the best man! Thank you!

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