A stone is dropped from the top of a tall cliff and n seconds later another stone is thrown vertically downwards with a velocity u m/s. How far below the top of the cliff the second stone will overtake the first?

A stone is allowed to fall from the top of the tower 100 m high and at the same time another stone is projected vertically upwards from the ground with a velocity of 25ms^ -1 . Calculate when and where the two stones will meet ?

A stone is thrown vertically upwards by a boy. It returns to hs hands in 3 seconds. How high does the stone rise?

A stone is allowed to fall from the top of a tower after 6 s.Find : the velocity with which it was thrown up,

A stone fell from the top of a twer table 5 seconds to reach the ground level. Calculate the velocity with which it reaches the greened.