A car chases a coyote down a road ending in a sheer cliff, Ask an Expert

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A car chases a coyote down a road ending in a sheer cliff. The car has a speed of 40 m/s and the coyote has a speed of 30 m/s. The car blows a siren at 440 Hz and the speed of sound is 340 m/s.

a) What frequency does the coyote hear for the sound coming directly from the car?

b) What frequency does the coyote hear for the sound reflected from the cliff?

c) What beat frequencies do each the coyote and the driver hear?

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Category:- Physics
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