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A train is 250 m long and it runs at a speed of 50km/hr . Then in how much time the train will pass the Power/Electic Pole .

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length of the train=250m

s=50km/hr   =  50*5/18=13.89m/s

t= length of the train / speed

t=250/13.89m/s

t=18s approx
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