A 405 hz tuning fork and a piano key are struck together
A 405 Hz tuning fork and a piano key are struck together, and no beats are heard. When a 402 Hz tuning fork and the same piano key are struck, three beats are heard. What is the frequency of the piano key?
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a 405 hz tuning fork and a piano key are struck together and no beats are heard when a 402 hz tuning fork and the same
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