A ball is projected vertically upward from the ground. The ball is at same height at t=3s and t=9s the height of ball at t=5s is......plz reply fast.....

1 answer

t = 6 s is the apex of the flight

max height = 1/2 g 6^2

the ball is at the same height at t = 5 and t = 7
... 1 second from max ... 4.9 m below max