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18-06-2021
Physics

contestada

A 560 Hz tuning fork and a piano key are struck together, and four beats are heard. When a 572 Hz tuning fork and the same piano key are struck, eight beats are heard. What is the frequency of the piano key?
564 Hz
556 Hz
572 Hz
560 Hz

Respuesta :

0907516 0907516

24-06-2021

Answer:

556

Explanation:

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