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An ambulance is traveling east at 51.6 m/s. Behind it there is a car traveling along the same direction at 32.3 m/s. The ambulance driver hears his siren at a frequency of 615 Hz.
32.3 m/s Car
51.6 m/s Ambulance
What is the wavelength of the sound of the ambulance’s siren if you are standing at the position of the car? The velocity of sound in air is 343 m/s .
Answer in units of m
speed of source=51.6=s speed of observer=32.3=o original frequency=615=F speed of sound=343=S frequency hear by observer=f f={ (S+o) /(S+51.6) }/F f=585 Wavelength=5x 10^{5} m
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