Physics, 22.06.2020 02:57 randall10

PLEASE HELP ME!! a police car moves at a speed of 30m / s, the driver is at a single-note frequency of 650Hz It is heard. One of the police cars passes in front of someone waiting at the traffic light. approaching the other. a) approaching, b) moving away sirens wavelengths and frequencies You calculate.

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PLEASE HELP ME!! a police car moves at a speed of 30m / s, the driver is at a single-note frequency...

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