Monday, January 30, 2012

Your Questions About Doppler Effect

Maria asks…Doppler Effect?Please help with the following question:

A "radar gun" is often used to measure the speed of a major league pitch by reflecting a beam of radio waves off a moving ball. Describe how the Doppler Effect can give the speed of the ball from a measurement of the frequency of the reflected beam.

For sound waves that propagate in a wave medium, the velocity of the observer and the source are measured relative to the medium in which the waves are transmitted. The total

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