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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. 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

User Mehran
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2 Answers

7 votes

Answer:

476 is the answer you guys

Step-by-step explanation:

odessy ware said it was right

User Ossir
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3 votes

Answer:

476

Step-by-step explanation:

User Gotit
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