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A car makes a noise with a frequency of 460 Hz. The speed of the sound wave produced is 343 m/s. If the apparent

A car makes a noise with a frequency of 460 Hz. The speed of the sound wave produced is 343 m/s. If the apparent frequency heard by the stationary observer is 425 Hz, then: a) is it moving towards or away from the observer? b) how fast is the car moving?

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