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20 November, 00:25

A tuning fork vibrates 240 times per second. What is the frequency and period?

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  1. 20 November, 00:55
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    Frequency is expressed in Hertz, which is simply cycles per second. If a tuning fork (or anything else, for that matter) vibrates 1 time each second, it's frequency is 1 Hz. So then, if it vibrates 4280 in 20 seconds, then 4280:20=214 cycles per second = 214 Hz.
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