Two trains A and B each of length 400 m are moving on two parallel tracks with a uniform speed 72 km h -1 in the same direction with A ahead of B. The driver of B decides to overtake A and accelerates by 1 m s -2 . If after 50 s, the guard of B just brushes past A, what was the original distance between them?
Text Solution
Verified by ExpertsThe correct answer is:
C
For train A.
For train B,
Original distance between A and B 
= 2250 m – 1000 m = 1250m
Alternative solutions
T = 50 s
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