College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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The speed of sound in a certain metal is vm. One end of a
long pipe of that metal of length L is struck a hard blow.
A listener at the other end hears two sounds, one from the wave
that travels along the pipe’s metal wall and the other from the
wave that travels through the air inside the pipe. (a) If v is the
speed of sound in air, what is the time interval t between the arrivals
of the two sounds at the listener’s ear? (b) If t = 1.00 s and
the metal is steel, what is the length L?
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