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a train is moving at constant speed V when its driver observe another friend in front of him on the same track and moving in the same direction with constant speed V is the distance between the trains is X then what should be the minimum retardation of the train so as to avoid collision
2 years ago

Utsav Basu
70 Points

Let’s make a reasonable assumption that V>v
So, the train must reduce its velocity from V to v within a distance of x to avoid the collision.

Thus, V2=v2+2ax
or, a=(V2-v2)/2x

So, I am sorry Anuj, since none of the answers match.
2 years ago
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