A man is running at a speed of 5km/hr, and a train passes the man in the same direction in which he is running. if the train is 125 m in length and it takes 10 seconds for the train to cross the main. find out the speed of the train
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Speed of the train relative to man=125/10
=(25/2)m/s
={25/2×18/5}km/h
=45km/h
Let the speed of the train be x km/hr. Then, relative speed = (x - 5) km/hr.
∴ x - 5 = 45 ⇒ x = 50 km/hr.
=(25/2)m/s
={25/2×18/5}km/h
=45km/h
Let the speed of the train be x km/hr. Then, relative speed = (x - 5) km/hr.
∴ x - 5 = 45 ⇒ x = 50 km/hr.
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