a train moving 72 km/hr passes a pole in 3 seconds . how much time it will take to cross a bridge of 540m
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Solution:-
given by:-
》train speed = 72km/h = 72×5/18 = 20m/s
》train length = 20×3 = 60m
》bridge length = 540m
》cross the train bridge of = 540m +60 = 600m
》(crossing time =600/20 = 30s)ans
☆ i hope its help☆
given by:-
》train speed = 72km/h = 72×5/18 = 20m/s
》train length = 20×3 = 60m
》bridge length = 540m
》cross the train bridge of = 540m +60 = 600m
》(crossing time =600/20 = 30s)ans
☆ i hope its help☆
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