soledadvigil49241 soledadvigil49241 20-02-2024 Physics contestada 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