Two trains A and B having length 40m and 60m respectively.They run on the parallel tracks with constant speed.It train A crosses train B in 5s while overtakes in 10s then find the speed of train A and B.
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As both the trains are moving in the opposite direction, the relative speed of each train with respect to each other be, v=10+15=25m/s
Here distance covered by each train = sum of their lengths =50+50=100m
∴ Required time= 25
100 =4sec
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Answer:
It train A crosses train B in 5
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