joshuasanders7483 joshuasanders7483

09-01-2024
Physics

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A jet engine emits a sound of frequency 3000 Hz. When the engine is moving directly away from the observer at half the speed of sound (speed of sound = 340 m/s), the observer hears a frequency of: (Multiple Choice Question)

a) 1500 Hz
b) 2000 Hz
c) 2500 Hz
d) 3000 Hz

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