A ball is thrown vertically upward with a velocity u from the top of a tower. If it strikes the ground with velocity 3u, the time taken by the ball to reach the ground is

[" A ball is thrown vertically downward "],[" with velocity u from the top of a tower."],[" It strikes the ground with a velocity "3u" ."],[" The time taken by the ball to reach the "],[" ground is given by "]

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 body is projected vertically upwards with a velocity u from the top of a tower. Time taken by it to reach the ground is n times, then the time taken by it to reach the highest point in its path. Height of the tower is

A ball is thrown vertically upward with a velocity 'u' from the balloon descending with velocity v.After time,the ball will pass by the balloon ?

A ball is thrown vertically upward with a velocity 'u' from the balloon descending with velocity v. After what time, the ball will pass by the balloon ?

A ball is thrown vertically upward with a velocity 'u' from the balloon descending with velocity v. After what time, the ball will pass by the balloon ?

A stone is thrown upwards with initial velocity 'u' from top of a tower and it reaches to ground with velocity '3u' then height of the tower is ......