soledadvigil49241 soledadvigil49241

20-02-2024
Physics

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A siren emitting sound of frequency 1000 Hz is moving away from a stationary listener towards a wall with a speed of 10 m/s. What is the frequency of sound heard directly from the siren?
A) 980 Hz
B) 1000 Hz
C) 1020 Hz
D) 1040 Hz

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