You throw a baseball directly upward at time =0 at an initial speed of 12.5 m/s. Ignore air resistance and take =9.80 m/s^2.
Relative to the point where it leaves your hand, what is the maximum height ℎmax
reached by the ball?
At what times t 1/2, up and 1/2, down does the ball pass through half the maximum height on the way up and the way down, respectively?