Find what beat frequency does he observe

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Reference no: EM13521293

A student holds a tuning fork oscillating at 201 hz. He walks towards a wall at a constant speed of 1.38 m/s.

(a) What beat frequency does he observe between the tuning fork and its echo?

(b) How fast must he walk away from the wall to observe a beat frequency of 5.00 Hz?

Reference no: EM13521293

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