engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Physics Motion in a Straight Line Kinematic equations for uniformly accelerated motion
An engine of a train, moving with uniform acceleration, passes the signal post with velocity u and the last compartment with velocity v. The velocity with which middle point of the train passes the signal post is:
1
\(\rm \sqrt{(v^2-u^2)}/2\)
2
(v – u)/2
3
\(\rm \sqrt{(v^2+u^2)}/2\)
4
(u + v)/2