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Physics, 11.07.2021 19:00 ewalker1917

A police car travels towards a stationary observer at a speed of 15m/s. the siren on the car emits a sound of frequency 250Hz. Calculate the observer frequency. the speed of sound is 340m/s​

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A police car travels towards a stationary observer at a speed of 15m/s. the siren on the car emits a...
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