A boy dropped a ball from the top of a tower of height 125 m then the average velocity of the ball at the end of 5 second if it takes 5 s to reach the ground _______ ` m s^(-1)`

A body is dropped from the top of a tower. If its average velcoity when it reaches the ground, is 10 ms^(-1) and the time taken by it to reach the ground is 2s, the height of the tower is ______ m.

A ball is dropped from the top of a tower.prove that,the height of the tower is 20m if the ball reaches the ground with a velocity 20 m//s .

A ball is dropped from the top of a tower of height 78.4 m Another ball is thrown down with a certain velocity 2 sec later. If both the balls reach the ground simultaneously, the velocity of the second ball is

A ball is dropped from the top of a tower of height 78.4 m Another ball is thrown down with a certain velocity 2 sec later. If both the balls reach the ground simultaneously, the velocity of the second ball is

A ball is thrown horizontally with a speed of 20 m//s from the top of a tower of height 100m Time taken by the ball to strike the ground is