A ball is battled straight up and returns to the level of the batter after 6.5s determine how high the ball went

1 answer

it is at the peak at 6.5/2 seconds...
and the velocity at the top is zero..
so consider it going down...
hf=hi+vi*t-1/2 g t^2
0=hi+0*t-1/2 g t^2
you know g, solve for hi