Question

the stone is thrown vertically upwards in the top of the tower it's velocity is 20 m/s.reaches the ground in 6 second. find the height of the tower​

Answer 1

Explanation:

If h be the height of the tower, using formula v

2

=u

2

+2aS,

(3u)

2

=u

2

+2gh

or 8u

2

=2gh or h=4u

2

/g