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Physics, 25.08.2021 18:50 19cinana

A police car siren emits a frequency of 3900 Hz while driving down the road at a speed of 27.4 m. What frequency will a pers driving a car at 20.7 m in the opposite direction behind the police car hear?
fos
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A police car siren emits a frequency of 3900 Hz while driving down the road at a speed of 27.4 m. Wh...

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