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Suppose a piano tuner hears 3 beats per second when listening to the combined sound from a tuning fork and the piano wire being tuned. After slightly tightening the string, 5 beats per second are heard. Should the string be loosened or tightened?

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btunie33

Answer:

Answer.... The string should be loosened.

Explanation:

It should be understood that, the lower the beating frequency, the closer the string is to being in the tune.

Answer: The piano string should be loosened

Explanation:

Since the frequency of the string happens to be five hertz (5Hz) above the the correct frequency, therefore, the piano string should be loosened.