An ambulance is generating a siren sound at a frequency of 2,000 Hz. The velocity of sound is 345.0 m/s. The observer and the ambulance are traveling toward each other at a velocity of 24.00 m/s. If the observer is stationary, what is the frequency of the siren perceived by the observer?
A. 2,032 Hz
B. 2,150 Hz
C. 2,220 Hz
D. 2,575 Hz
E. 2,750 Hz
B. 2,150 Hz
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