Problem 2-43 - Free fall (a)

A baseball pitcher throws a ball vertically straight upward and catches it \(4.2 \;s\) later. (a) With what velocity did the ball leave the pitcher's hand? (b) What was the maximum height reached by the ball?

No. After the ball leaves the pitcher's hand it is in free-fall and is accelerated at a rate of \(\mathrm{9.8\; m/s^2.}\)