The animation represents a cross section of a three-dimensional sound wave propagating away from a moving source.
In which of the animation(s) does the source travel slower than the speed of sound?
Animations 1, 2, 3.
See Giancoli-PA: 12-8, Giancoli-SE: 16-6.
Physlet problem authored by Mario Belloni.
© 2000 by Prentice-Hall, Inc. A Pearson Company