[" A stone thrown upward with a speed u from the top "],[" of the tower reaches the ground with a speed "3" u.the "],[" height of the tower is "]

A stone is thrown upwards with a speed u from the top of a tower reaches the ground with a velocity 3 u . The height of the tower is

A ball is thrown upwards with speed ‘v’ from the top of a tower and it reaches the ground with a speed 3v, then the height of the tower is

A stone is thrown vertically upwards with an initial speed u from the top of a tower, reaches the ground with a speed 3 u . The height of the tower is :

A stone is thrown vertically upwards with an initial speed u from the top of a tower, reaches the ground with a speed 3 u . The height of the tower is :

A stone thrown upward with a speed u from the top of a tower reaches the ground with a velocity 4u. The height of the tower is

A stone thrown upward with a speed u from the top of a tower reaches the ground with a velocity 4u. The height of the tower is

A ball is thrown upwards with speed v from the top of a tower and it reaches the ground with speed 3v .The height of the tower is

A stone is thrown upwards with a speed y from the top of a tower. It reaches the ground with a velocity 3v. What is the height of the tower?

A ball is thrown upward with speed 10 m/s from the top to the tower reaches the ground with a speed 20 m/s. The height of the tower is [Take g=10m//s^(2) ]

A ball is thrown upward with speed 10 m/s from the top to the tower reaches the ground with a speed 20 m/s. The height of the tower is [Take g=10m//s^(2) ]