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natima [27]
4 years ago
6

A 1056-hertz tuning fork is sounded at the same time a piano note is struck. You hear three beats per second. What is the freque

ncy of the piano string?
Physics
1 answer:
REY [17]4 years ago
5 0

Answer:

f_2 = 1053 Hz

or

f_2 = 1059 Hz

Explanation:

As we know that the beat frequency is given as

|f_1 - f_2| = f_{beat}

here we know that

f_1 = 1056 Hz

f_{beat} = 3 Hz

now we have

|1056 - f_2| = 3

now we have

1056 - f_2 = \pm 3

so we have

f_2 = 1053 Hz

or

f_2 = 1059 Hz

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