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November 27, 2014

Homework Help: physics

Posted by Anonymous on Sunday, March 25, 2012 at 12:43pm.

A train is moving parallel to a highway with a constant speed of 16.0 m/s. A car is traveling in the same direction as the train with a speed of 36.0 m/s. The car horn sounds at a frequency of 504 Hz, and the train whistle sounds at a frequency of 314 Hz.
(a) When the car is behind the train, what frequency does an occupant of the car observe for the train whistle?
Hz
(b) After the car passes and is in front of the train, what frequency does a train passenger observe for the car horn?
Hz

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