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April 23, 2014

Homework Help: physics

Posted by Melissa on Monday, June 4, 2012 at 1:12pm.

A car sounds its horn (502 Hz) as it approachs a pedestrian by the side of the road. The pedestrian has perfect pitch and determines that the sound from the horn has a frequency of 520 Hz. If the speed of sound that day was 340 m/s , how fast was the car travelling

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