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A state trooper chases a speeder along a straight road; both vehicles move at 160 km/h. The siren on the trooper's vehicle produces sound at frequency of 500 Hz. What is the Doppler shift in the frequency heard by the speeder?
11 years ago

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bobpursley
http://en.wikipedia.org/wiki/Doppler_effect

doppler shift depends on the relative difference between the source and the receiver, in this case, no relative motion, so no doppler shift.
11 years ago

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