Physics
Physics, 25.12.2019 05:31, jaygamer37

When a 480 hz. tuning fork and a piano key are struck together, four beats are heard. when a 470 hz. tuning fork and the same piano key are struck, six beats are heard. what is the frequency of the piano key? unknown piano key = hz

475
476
477
478

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When a 480 hz. tuning fork and a piano key are struck together, four beats are heard. when a 470 hz....

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