Question

A ball is thrown vertically upward and rises 5 meters before starting to fall. Find the total
time taken for the ball to return to the starting point.

Answer 1

v^2 = 2as = 2 * 9.81 * 5
v = 9.904
9.904 - 9.81t = 5
t = 0.5 s
so it took 1.0 seconds to rise and then fall