Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 14 - Exercises and Problems: 35

Answer

Please see the work below.

Work Step by Step

We know that $v=\sqrt{\frac{\gamma P}{\rho}}$ We plug in the known values to obtain: $v=\sqrt{\frac{(1.61)(620000)}{4.5}}$ $v=471\frac{m}{s}$ Now we can find the frequency as $f=\frac{v}{\lambda}$ We plug in the known values to obtain: $f=\frac{471}{0.50}=940Hz$
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