Question: A state trooper chases a speeder along a straight stretch of road; both vehicles move at 1 4 4 ( mathrm { km

A state trooper chases a speeder along a straight stretch of road; both vehicles move at 144\(\mathrm{km}/\mathrm{h}\). The siren on the tropper's vehicle produces a sound of 521 Hz . What frequency is heard by speeder? (Take the speed of sound in air to be \(343\mathrm{~m}/\mathrm{s}\).)
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A state trooper chases a speeder along a straight

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