A motorcyclist follows an ambulance that is sounding its 650 Hz siren

PHYSICS · Subjective · AP · Physics 2: Algebra-based · Waves Sound and Physical Optics · Waves Sound and Physical Optics

Problem

A motorcyclist follows an ambulance that is sounding its 650 Hz siren. The ambulance travels at 25 m/s and the motorcyclist follows at 10 m/s, both moving in the same direction along a straight road. The speed of sound is 340 m/s. Calculate the frequency detected by the motorcyclist.

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