Find the frequency change heard by an observer

Reference no: EM13686427

A car moving at 140 miles per hour passes a stationary police car whose siren has a frequency of 500 hertz. Find the frequency change heard by an observer in moving car as he passes the police car? The velocity of sound in air is 343 m/s. (1 miles =1.609 km).

Reference no: EM13686427

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