Answer
$v = 400~m/s$
Work Step by Step
The image shows the standing wave pattern for the second harmonic.
We can find the speed of sound in the tube as:
$v = f_2~\lambda_2$
$v = (f_2)~(\frac{2L}{2})$
$v = (500~Hz)(0.80~m)$
$v = 400~m/s$
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (3rd Edition)
by Knight, Randall D.
Published by
Pearson
ISBN 10:
0321740904
ISBN 13:
978-0-32174-090-8
Chapter 21 - Superposition - Exercises and Problems - Page 621: 14
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