The modulus of longitudinal wave velocity in a lead pipe is equal to 1327 m/s. We consider a series of connected lead pipes with a total length of 104 m. If we hit a hammer blow at one end, why do we hear two blows at the other end? Calculate the time interval between the reception of each of the two sound signals.

 

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When a hammer blow is made at one end of the lead pipes a compressional longitudinal wave is produce... View the full answer