PHYS

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The fundamental resonance on a string is 60 cm length fixed at both ends is 440Hz. What is the speed of a wave traveling on this string?

  • PHYS -

    Think about it. One wavelength is 60 cm.
    It takes 1/440 sec to travel the length of the string.

    speed = d/t = d*f = 60*440 = 2640 cm/s

  • PHYS -

    Hmm. Forgot the fundamental wavelength is 120cm, not 60.

    scale the velocity to account for that.

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