Awoman is riding a bicycle at 18.0 m/s along a straight road that runs parallel to and right next to some railroad tracks. she hears the whistle of a train that is behind. the frequency emitted by the train is 840 hz, but the frequency the woman hears is 778 hz. take the speed of sound to be 340 m/s. what is the train’s speed?
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Awoman is riding a bicycle at 18.0 m/s along a straight road that runs parallel to and right next to...
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