The animation above shows the sound wavefronts emanating from a moving source, such as a car.
(Compare all characteristics to a non-moving source.)
For an observer in front of a moving source. . .
For an observer behind a moving source. . .
Describe a wave from a stationary source. What is observed in front of the source and behind the
With a moving source, how are the waves in front of the source different from those behind it?
Physlet problem authored by Larry Martin and Tait Swenson, North Park University
based on video clip questions from Physics Cinema Classics