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helpmeplzz:
A railway worker gives a length of rail a test blow with hammer, striking the end of the rail in the direction of its length. A sound of frequency 10KHz travels along the rail. Use your knowledge of the order of magnitude of speed of sound in a solid to estimate the wavelength of the sound(edited) His soution... estimated speed of sound = 5000m/s Wavelength = speed/frequency W= 5000/10000 W= 0.5m
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