Homework Help: Physics

Posted by Brent on Wednesday, March 30, 2011 at 1:02pm.

15 beats are heard in 5 seconds when a piano key and a tuning fork of slightly higher frequency (440 Hz) are struck at the same time. What is the frequency of the sound emitted by the piano key?

Physics - Henry, Wednesday, March 30, 2011 at 3:33pm
Fp=440 - 15/5 = 437Hz = Freq. of piano.

Brent, check your 3-28-11, 11:57am post
for solution to your Pre-cal prob.
Physics - Brent, Wednesday, March 30, 2011 at 6:53pm
Thanks.

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