A 200m long train crosses a 400m long bridge
Asked by admin @ in Physics viewed by 254 People
A 200 m long train crosses a 400 m long bridge with the speed 36 km/h. Calculate the time taken by the train to cross the bridge.
Answered by admin @
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.
So, total distance covered by the train = Length of bridge + it's own length
=> (200+400)m
=> 600 m.
Speed = 36 kmph = 10m/s
Hence, time taken = 600/10 s = 60s = 1min
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