as a firetruck moves closer to you, you observe the frequency of the sirens to be higher. this is known as the doppler effect. in terms of the waves, why does this occur?

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- December 8th 2009, 09:01 AMjohnnyc418frequencies
as a firetruck moves closer to you, you observe the frequency of the sirens to be higher. this is known as the doppler effect. in terms of the waves, why does this occur?

- December 8th 2009, 09:58 AMe^(i*pi)