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 ambulance is traveling at a velocity of 24.00 m/s away from the stationary observer, then what is the frequency of the siren perceived by the observer?

A) 2,375 Hz
B) 2,306 Hz
C) 2,266 Hz
D) 2,244 Hz
E) 2,210 Hz

Correct Answer:

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