Sound Problem 8.10.3

Animation 1  Animation 2  Animation 3  Animation 4  Animation 5 

 

Description

The animation represents a cross section of a three-dimensional sound wave propagating away from a moving source.  

Question

In which of the animation(s) does the source travel slower than the speed of sound?

Answer

Animations 1, 2, 3.

Reference

See Giancoli-PA: 12-8, Giancoli-SE: 16-6.

Credits

Physlet problem authored by Mario Belloni.

2000 by Prentice-Hall, Inc. A Pearson Company