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Physics

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Two out-of-tune flutes play the same note. One produces a tone that has a frequency of 242 Hz, while the other produces 288 Hz. When a tuning fork is sounded together with the 242-Hz tone, a beat frequency of 26.0 Hz is produced. When the same tuning fork is sounded together with the 288-Hz tone, a beat frequency of 20.0 Hz is produced. What is the frequency of the tuning fork?

  • Physics -

    Beat frequency
    f =| f1-f2|
    242<f<288

    f-242=26
    288-f=20
    f=268 Hz

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