Answer to Question #74870 in Physics for MGM MGM

Question #74870

An ambulance siren has frequency 250 Hz. The ambulance is headed towards an
accident site with a speed of 90 km /h. Two police officers on separate motor
cycles head for the same accident site: one follows the ambulance with a speed of
80 km/h and the other approaches the accident site from the other direction with a
speed of 80 km/h. What frequency does ambulance siren has for each of the police
officers? Take the speed of sound equal to 340 m/s.

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