12.A ball is thrown vertically upwards with speed u if it experience a constant air resistance force of magnitude f,then the speed with which ball strikes the ground ( weight of ball is w) is

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

A ball is thrown vertically upwards, its motion is uniform throughout. True/False.

A ball is thrown vertically upward with a velocity u from the top of a tower. If it strikes the ground with velocity 3u, the time taken by the ball to reach the ground is

A ball is thrown vertically upward. What is the magnitude of velocity at the highest point ?

A player throws a ball vertically upwards with velocity u. At highest point,

A person standing near the edge of the top of a building throws two balls A and B. The ball A is thrown vertically upward and B is thrown vertically downward with the same speed. The ball A hits the ground with speed v_A and the ball B hits the ground wiht a speed v_B . We have

A ball of mass m is thrown upward with a velocity upsilon . If air exerts an average resisting force F, the velocity with which the ball returns to the thrower is

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

A ball thrown vertically upward returns to its starting point in 4 s. Find its initial speed.

A ball thrown vertically upwards with an initial velocity of 1.4 m//s. The total displcement of the ball is