A train 100m long is moving with speed of 20 m per second find the time it takes to cross a bridge of 900 M long
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The answer is 50 seconds.
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Total distance required for the train to cross the bridge is,
d = (100 + 900) m = 1000 m
Hence the time taken to cross the bridge is,
t = 1000 / 20 = 50 s.
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