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A hammer taps on the end of a 4.02 m long metal bar at room temperature. A microphone at the other end of the bar picks up two pulses of sound, one that travels through the metal and one that travels through the air. The pulses are separated in time by 5.79 ms. What is the speed of sound in this metal?(the speed of sound in air is 343 m/s)

  • physics -

    They travel the same distance.


    but time in air=time in metal+5.79s

    solve for vsmetal.

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