A train is running at the rate of 60 kmph. A man is also going in the same direction on a track parallel to the rails at a speed of 45 kmph. If the train crosses man in 48 seconds, the length of the train is?
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Step-by-step explanation:
Train is running at rate of 60kmph=
60 x 5/18= 50/3 m/s
Man is running parallel to train at the rate of 45kmph = 45 x 5/18= 25/2 m/s
Speed = 50/3 - 25/2 = 25/6 m/s
t= 48sec
Distance = speed x time
Distance = 25/6 x 48 = 200 metres
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