Two trains are running at 40 km/hr and 20 km/hr respectively in the same direction. Fast train completely passes a man sitting in the slow train in 5 seconds. What is the length of the fast train
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Answer:
Explanation:
the fast train completely passes a man sitting in slow train , In this condition it covers distance equal its length
Realtive speed in same direction (40 - 20) = 20Km/h
Therefore , length of the train = Speed multiply by time
=20Km/h × 5
20 × 5÷ 18 m/s
= 27 -7 upon 9
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