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A siren emitting a sound of frequency 10...

A siren emitting a sound of frequency `1000 H_(Z)` moves away from you towards a cliff at a speed of `10 m//s` .
(a) What is the frequency of the sound you hear coming directly from the sirven ?
(b) What is the frequency of sounds you hear reflected off the cliffb ?
(c) What beat frequency would you hear ? Take the speed of sound in air as `330 m//s` .

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A siren emitting a sound of frequency 1000 H_(Z) moves away from you towards a cliff at a speed of 10 m//s . (a) What is the frequency of the sounds, you hear coming directly from the sirven ? (b) What is the frequency of sounds you hear reflected off the cliff . Speed of sound in air is 330 m//s ?

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