4. A man is walking at the speed of 5 km/h when a train passes by him. If the speed of the
train is 55 km/h and its length is 125 m, how much time will the train take to pass by him if
they travel in (i) the same direction (ii) opposite directions?
A train coming from behind him at 22 km/h passes by
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Answer. km/hr = ( 45 * 5 / 18) m/sec = 25/2 m/ sec.
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