A ball falls from height `h`. After 1 s, another ball falls freely from a point `25 m` below the point from where the first ball falls. Both of them reach the ground at the same time. The value of `h` is

When a stone falling from the top of vertical tower has fallen a distance xm,another is let fall from a point y m below the top .If the fall from rest and reach the ground together,then the height of the tower is

A ball is thrown horizontally and at the same time another ball is dropped down from the top of a tower Will both the balls reach the ground at the same time ?

A ball is dropped from the top of an 80 m high tower After 2 s another ball is thrown downwards from the tower. Both the balls reach the ground simultaneously. The initial speed of the second ball is

A ball is made to fall freely from a height. State the kind / kinds of energy possessed by the ball when it is at the ground.

An iron ball and a wooden ball of the same radius are released from a height ‘ h ’ in vacuum. The time taken by both of them to reach the ground is

An iron ball and a wooden ball of the same radius are released from a height ‘ h ’ in vacuum. The time taken by both of them to reach the ground is