A ball is dropped from a height of a height of 90 m on a floor. At each collsion with the floor , the ball loses one - tenth of its speed . Plot the speed -time graph of its motion between t 0 to 12 s.

A ball is dropped from some height towards the ground : Which one of the following represents the correct motion of the ball ?

A ball is dropped from a height of 5 m onto a sandy floor and penetrates the sand up to 10 cm before coming to rest. Find the retardation of the ball in sand assuming it to be uniform.

A lamp is 50ftdot above the ground. A ball is dropped from the same height from a point 30ftdot away from the light pole. If ball falls a distance s=16 t^2ftdot in t second, then how fast is the shadow of the ball moving along the ground 1/2s later?

A lamp is 50ftdot above the ground. A ball is dropped from the same height from a point 30ftdot away from the light pole. If ball falls a distance s=16 t^2ftdot in t second, then how fast is the shadow of the ball moving along the ground 1/2s later?

A 10 kg ball is dropped from a height of 10m. Find (a) the initial potential energy of the ball. (b) the kinetic energy just before it reaches the ground, and (c ) the speed just before it reaches the ground.

A ball is dropped on a floor from a height of 2.0m After the collision it rises up to a height of 1.5m . Assume that 40% of the mechanical energy lost goes as thermal energy into the ball. Calculate the rise in the temperature of the ball in the collision specific heat capacity of the ball is 800J kg^(-1) K^(-1)

A ball is dropped from a building. It takes 4s to reach the ground. The height of the building is (use g = 10 m//s^(2) )

A small spherical ball is released from a point at a height h on a rough track shown in figure. Assuming that it does not slip anywhere, find its linear speed when it rolls on the horizontal part of the track.

A ball is dropped from a balloon going up at a speed of 7 m/s. If the balloon was at a height 60 m at the time of dropping the ball, how long will the ball take in reaching the ground?