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 and assuming it to be uniform.

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 ball is dropped from a height of 5 m onto a sandy floor and penetrates the sand up to 1 m before coming to rest. The retardation of the ball in sand (assuming it to be uniform) will be

A ball is dropped from height 10 m . Ball is embedded in sand 1 m and stops, then

A ball is dropped from height 10 m . Ball is embedded in sand 1 m and stops, then

A ball is dropped from a height of 90m onto a horizontal plane rest. Find the total distance travelled by it before coming to rest. The coefficient of restitution e=0.5.

An iron nail is dropped from a height h on the level of a sand bed. If it penetrates through a distance x in the sand before coming to rest, the average force exerted by the sand on the nail is