Multiple Choice
A factory siren indicating the end of a shift has a frequency of 80 Hz. What frequency is perceived by the occupant of a car traveling towards the factory at 30 m/s? The speed of sound in air is 343 m/s.
A) 83 Hz
B) 85 Hz
C) 87 Hz
D) 89 Hz
E) 91 Hz
Correct Answer:
Verified
Correct Answer:
Verified
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