You throw a soccer ball straight up with an initial velocity of 16.9 m/s. On the way up, it passes a tree branch at a height of 6.2 m.
a) How long does it take for the ball to reach the tree branch?
b) What is the maximum height reached by the ball?
c) What is the velocity of the ball at the moment it passes the tree branch?
d) What is the acceleration of the ball at the moment it passes the tree branch?