To estimate the height of a bridge over a river, a stone is dropped freely on the river from the bridge. The stone takes 2 s to touch the water surface in the river. Calculate the height of the bridge from the water level. Take `g=9.8m//s^(2)`

A stone is dropped freely in a river from a bridge. It takes 5 s to touch the water surface in the river. Calculate : the height of the bridge from the water level .

A stone is dropped freely in a river from a bridge. It takes 5 s to touch the water surface in the river. Calculate :the distance covered by the stone in the first 2 s (g = 9.8 m s^(-2) ).

A ball dropped from a bridge strikes the water in 5 s. Calculate the height of the bridge

A stone is thrown from a bridge at an angle of 30º down with the horizontal with a velocity of 25 m/s. If the stone strikes the water after 2.5 sec then calculate the height of the bridge from the water surface-

(b) A stone is thrown from a bridge at an angle of 30^(@) down with the horizontal with a velocity of 25 m//s . If the stone strikes the water after 2.5 seconds then calculate the height of the bridge from the water surface (g=9.8 m//s^(2)) .

A stone is dropped freely from the top of a tower and it reaches the ground in 4 s. Taking g = 10 m s^(-2) , calculate the height of the tower.

A stone on a bridge on a river falls into the river. If it takes 3 seconds to reach the surface of water, find (i) velocity of the stone at the instant it touches the surface of water (ii) the height of the bridge from the surface of water.

Solve the following examples / numerical problems: A stone on a bridge on a river falls into the river. If it takes 3 seconds to reach the surface of water, find (i) the velocity of the stone at the instant it touches the surface of water (ii) the height of the bridge from the surface of water.

A balloon is going up with a uniform speed 20 m/s. It was at a height of 100 m from ground, when a stone is dropped from its basket. Find the time taken by the stone to reach the groimd and the height of the balloon from the ground, when stone hits the ground. (Take g = 10 m//s^(2) )