A 70m long train passes over a bridge at a speed of 35kmph If it takes 36seconds to cross the bridge, the length of the bridge is ?
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Explanation:
Velocity v = 30 km/h = 30 × = 8.3 m/s 18
Time taken to cross
t = 36 s
Let the length of bridge be L.
Distance covered by train to cross d = 50+ L So, L+ 50 36 x 8.3
L = 250 m
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