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kolbaska11 [484]
4 years ago
14

A piano tuner strikes her tuning fork and plays a note on the piano at the same time. She hears 8 beats in 4 seconds. How much s

hould the pitch of the string be changed?
A. 8 Hz

B. 4 Hz

C. 2 Hz

D. 0.5 Hz
Arts
2 answers:
White raven [17]4 years ago
8 0

Answer:

C

Explanation:

The number of beats per second produced when two sounds are played together is equal to the difference in frequencies between the two sounds. Since 8 beats are produced in 4 seconds, 2 beats will be produced in one second, and the frequency difference is 2 Hz.

Evgen [1.6K]4 years ago
7 0
The answer would be d Bc 4 is half of 5 and 0.5 is a half
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