Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 11 - Oscillations and Waves - Questions: 14

Answer

We expect the speed of sound waves in air to increase as the air temperature increases.

Work Step by Step

Refer to equation 11–14b. The speed of sound waves in a gas is given by $v=\sqrt{\frac{B}{\rho}}$. When the air temperature increases, the density $\rho$ decreases, so the wave speed becomes higher.
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