Question

A bridge is 500m long . A train which is 100m long crosses the bridge with a speed of 30m/s. Find the time taken for the train to cross the bridge

Answer 1

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Answer 2

Total distance required for the train to cross the bridge is,

d = (100 + 500) m = 600 m

The speed of the train is,

v = 30 km/h = 30 × 5 / 18 = (25/3) m/s

Hence the time taken to cross the bridge is,

t = 900 / (25/3) = 108 s.