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A wire of uniform linear mass density hangs from the ceiling. It takes 0.82 s for a wave pulse to travel the length of the wire. How long is the wire?

  • physics -

    L = VT = 9.9*10^8ft/s * 0.82s = 8.12*10^8Ft. ?.

    Seems unreal!
    0.82 microseconds would make more sense.

  • physics -

    If this is a sound wave:

    L = 343m/s * 0.82s = 281.3m.

  • physics -

    l=(T^2*g)/4 yapýcan

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