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07-01-2024
Physics

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You are standing still as a fire truck approaches you at a speed of 15 m/s emitting a siren at a frequency of 1500 Hz. What frequency, in Hz, do you perceive? Assume the speed of sound is 343 m/s.
A) 1538 Hz
B) 1500 Hz
C) 1462 Hz
D) 1435 Hz

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