A Car Traveling at 22 M/s Honks Its Horn as It

A car traveling at 22 m/s honks its horn as it directly approaches the side of a large building.The car horn plays a long sustained note with frequency f₀ = 230 Hz (in the car's frame of reference) .The sound is strongly reflected off the building back to the driver.What is the frequency of the reflected wave that the driver hears?

A) 230 Hz
B) 216 Hz
C) 276 Hz
D) 262 Hz
E) 246 Hz

Correct Answer:

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