An Ambulance Is Generating a Siren Sound at a Frequency

An ambulance is generating a siren sound at a frequency of 2,400 Hz. The speed of sound is 345.0 m/s. If the observer is traveling at a velocity of 24.00 m/s away from the stationary ambulance, then what is the frequency of the siren perceived by the observer?

A) 2,375 Hz
B) 2,366 Hz
C) 2,305 Hz
D) 2,275 Hz
E) 2,233 Hz

Correct Answer:

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