A police car travels towards a stationaryobserver at a speed of 15 m/s. The sirenon the car emits a sound of frequency 250Hz. Calculate the recorded frequency.The speed of sound is 340 m/s. - VgyanHub

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

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