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Two tuning forks having frequencies of 428 and 454 Hz are struck simultaneously. What average frequency...

Two tuning forks having frequencies of 428 and 454 Hz are struck simultaneously. What average frequency will you hear, and what will the beat frequency be?

Average frequency:    
Beat frequency:   

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Answer #1

average frequency heard = f1 + f2 / 2

= 428 + 454 / 2

= 441 Hz

beat frequency = f2 - f1

= 454 - 428 = 26 Hz

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