(II) Two piano strings are supposed to be vibrating at220
Chapter , Problem 59(choose chapter or problem)
(II) Two piano strings are supposed to be vibrating at220 Hz, but a piano tuner hears three beats every 2.0 s whenthey are played together, (a) If one is vibrating at 220.0 Hz,what must be the frequency of the other (is there only oneanswer)? (b) By how much (in percent) must the tension beincreased or decreased to bring them in tune?
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