Tuesday
July 29, 2014

Homework Help: science

Posted by 8. on Wednesday, June 27, 2012 at 5:39am.

a train stooping at two stations 4km apart takes 4 min on the journey from one of the station to the other.assuming that it first accelerates with a uniform acceleration x and then that of uniform retardation Y,prove that 1/X+1/Y=2

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