Question

A 200 m long train crosses a 400 m long bridge with a speed of 36 km/h. Calclate the time taken by the train to cross the bridge.

Answer 1

Answer:

the time taken will be 1 minute. as first the engine of train enters and then the whole train passes and finally the last point in the train crosses the bridge. => 600 m.

Explanation:

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Answer 2

Length of the train (a) = 200m

Length of the bridge (b) = 400m

speed of train (s) = 36kmph or 10 m/s

Time taken to cross bridge = (a+b)/s

Time taken = 600/10 = 60sec