A ball `A` is thrown up vertically with a speed `u` and at the same instant another ball `B` is released from a height `h`. At time `t`, the speed `A` relative to `B` is

Ball A is thrown up vertically with speed 10 m/s . At the same instant another ball B is released from rest at height h . At time t , the speed of A relative to B is

Ball A is thrown up vertically with speed 10 m/s . At the same instant another ball B is released from rest at height h . At time t , the speed of A relative to B is

At "t=0" ball A is thrown up vertically with speed 10m/sec.At the same instant another ball B is released from rest at height h .At time t ,the speed of A relative to B is

A ball is thrown vertically upward with speed 40 m//s . Simultaneously, another ball is dropped from a height 200 m in the same verticle line. When and where the balls meet?

A ball is thrown vartically upward with speed 70 m//s . After 1 s, another ball is dropped from a height 185 m in the same vertical line. When and where the balls collide?

If a ball is thrown vertically upwards with speed u ,the distance covered during the last T seconds of its ascent is

If a ball is thrown vertically upwards with speed u, the distance covered during the last t seconds of its ascent is