a train 50 meter long is running at the speed of 54km/hr. What time will it take to cross a bridge 100 meter long
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Total distance the train has to cover = Length of bridge + Length of train
= 100 + 50 = 150m
Velocity = 54km/hr = 54*5/18 m/s = 15m/s
Time taken = Distance travelled/ Velocity
= 150/15 = 10s
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