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QUESTION
At rest, a car's horn sounds at a frequency of 470 Hz. The horn is sounded while the car is moving down the street.
At rest, a car's horn sounds at a frequency of 470 Hz. The horn is sounded while the car is moving down the street. A bicyclist moving in the same direction with one-third the car's speed hears a frequency of 413 Hz. What is the speed of the car?
