Physics, 19.02.2020 20:04 DragonLovely
A siren emitting a sound of frequency 1011 Hz moves away from you toward the face of a cliff at a speed of 13.0 m/s. Take the speed of sound in air as 332 m/s. (a) What is the frequency of the sound you hear coming directly from the siren? (b) What is the frequency of the sound you hear reflected off the cliff? (c) What is the beat frequency between the two sounds?
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A siren emitting a sound of frequency 1011 Hz moves away from you toward the face of a cliff at a sp...
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