Mathematics, 28.12.2019 01:31 PinkDivaGirl02
Two train whistles have identical frequencies of 180 hz. when one train is at rest in the station, sounding its whistle, a beat frequency of 3.7 hz is heard from a train moving toward us. find the speed of the train. (take the speed of sound to be 345 m/s.)
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Two train whistles have identical frequencies of 180 hz. when one train is at rest in the station, s...
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