Lucialari6650 Lucialari6650

04-01-2023
Physics

Answered

A truck moving at 36 m/s passes a police car moving at 45 m/s in the opposite direction. If the frequency of the siren is 500 hz relative to the police car, what is the frequency heard by an observer in the truck after the police car passes the truck? (the speed of sound in air is 343 m/s. ).

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