A stone is dropped from the top of a tower of height 100 m. The stone penetrates in the sand on the ground through a distance of 2m. Calculate the retardation of the stone.

A stone is released from the top of a tower of height 1960 m. calculate the time taken by the stone to hit the ground.

A stone is dropped from the top of a tower of height 125 m. The distance travelled by it during last second of its fall is (g=10 ms^(-2))

A stone is dropped from the top of a tower of height 125 m. The distance travelled by it during last second of its fall is (g=10 ms^(-2))

A stone is dropped from the top of a tower 50 m high. Simultaneously another stone is thrown upwards from the ground with a speed of 20 "m.s"^(-1) . Calculate the time at which both the stone cross each other.

A stone dropped from the top of a tower reaches the ground in 3 s. The height of the tower is

A stone dropped from the top of a tower reaches the ground in 3 s. The height of the tower is