A train, 100 m long travelling at 60 km/hr passes another train, twice as fast as this train and travelling in opposite direction, in 10 seconds. Find the length of the second train.
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Answer:
Total D = 100+100 = 200m
Time = 10 sec
speed = 200/10 = 20m/s = 20*18/5 = 72km/h
speed of second train = 72-60 = 12km/h (Ans)
Step-by-step explanation:
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