Choose the one alternative that best completes the statement or answers the question. -As you stand by the side of the road, a car approaches you at a constant speed, sounding

Choose the one alternative that best completes the statement or answers the question.
-As you stand by the side of the road, a car approaches you at a constant speed, sounding its horn, and you hear a frequency of 76 Hz. After the car goes by, you hear a frequency of 65 Hz. What is
The speed of the car? The speed of sound in the air is 343 m/s.
A) 29 m/s
B) 27 m/s
C) 30 m/s
D) 26 m/s
E) 28 m/s

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