A stone projected vertically up with velocity v from the top of a tower reaches the ground with velocity 2v .The height of the tower is

A stone projected vertically up with velocity v from the top of a tower reaches the ground with velocity 2 v The height of the tower

A body is projected vertically up with velocity u from a tower. It reaches the ground with velocity nu. The height of the tower is H=u^2/(2g)(n^2-1)

A body is projected vertically up with velocity u from a tower. It reaches the ground with velocity nu. The height of the tower is H=u^2/(2g)(n^2-1)

A body is prijected vertically up with velocity u from a tower.If reaches the ground with velocity nu.The height of the tower is H=(u^(2))/(2g)(n^(2)-1)

A stone is thrown vertically upwards with an initial velocity u form the top of a tower, recahes the ground with a velocity 3u. 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