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Two tuning forks are sounded together and produce 12 beats in 3.0s. The frequency of...

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supersmartpants | (Level 1) Salutatorian

Posted May 26, 2013 at 5:28 AM via web

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Two tuning forks are sounded together and produce 12 beats in 3.0s. The frequency of one tuning fork is 365Hz. What is the frequency of the other tuning fork?

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pramodpandey | College Teacher | (Level 3) Valedictorian

Posted May 26, 2013 at 5:41 AM (Answer #1)

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Tuning forks are sounded together and produces 12 beats in 3 seconds.

In second they will produce = 12/3 =4 beats.

Frequency of one fork is 365 Hz.

So frequency of second tuning for will either  ( 365+4)=369 HZ

or  (365-4)=361 Hz.

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