A train 50 m long passes over a bridge 250 m long at a velocity 30 km/h. how long will it take to pass over the bridge???
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8
Answer:
Distance = Speed * Time
(50 + 250) = (30*5/18)* t
300 = 25/3 * t
t = (300*3)/25
t = 12*3
t = 36 seconds
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