Question
A train, running at the speed of 72 km/h, is 300 metres
long. How much time (in seconds) will it take to pass over a bridge that is 600 metres long?Solution
ATQ;
Speed of train = 72 km/h = 72 × (5/18) = 20 m/s
Required time = (300 + 600) ÷ 20 = 900 ÷ 20 = 45 seconds
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