A 120 m train running at 40 km/h will cross a bridge 80 m long?
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Speed of train = 40km/hr.
" in m/sec = 5/18*40
= 100/9 m/sec.
Total distance to be covered = (120+80)
= 200m
Time = Distance /speed
= 200*9/100
18 seconds.
Hope that this will help you.
" in m/sec = 5/18*40
= 100/9 m/sec.
Total distance to be covered = (120+80)
= 200m
Time = Distance /speed
= 200*9/100
18 seconds.
Hope that this will help you.
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