Multiple Choice
An airplane approaches an airport control tower which is emitting a sound at 3000 Hz.The frequency heard in the plane is 4250 Hz.At what fraction of the speed of sound is the plane traveling?
A) 0.12
B) 0.24
C) 0.29
D) 0.36
E) 0.42
Correct Answer:
Verified
Correct Answer:
Verified
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