Question

a ball thrown vertically upwards with a velocity of 19.6 metre per second from the top of a tower returns to earth in 12 seconds calculate the height of the tower if g is equal to 9.8 metre per second square​

Answer 1

Answer:

19.6

Explanation:

H=u^2/2g

H=19.6×19.6/2×9.8

H=384.16/ 19.6

Hope it helps

H=19.6m