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  3. at rest, a car's horn sounds the note a (440 hz).

At rest, a car's horn sounds the note A (440 Hz). The horn is sounded while...

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Physics

At rest, a car's horn sounds the note A (440 Hz). The horn issounded while the car is moving down the street. A bicyclist movingin the same direction with one-third the car's speed hears afrequency of 403 Hz.

(a) Is the cyclist ahead of or behind the car?

ahead/behind    


(b) What is the speed of the car?
(Answer in m/s)

Answer & Explanation Solved by verified expert
4.4 Ratings (557 Votes)
Since the frequency of the sound that is heard by the bicyclist is lower in frequency than the original sound we know that the car must be moving away from    See Answer
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