You are trying to hang a tire swing. To get the rope over a tree branch
that is 15 feet high, you tie the rope to a weight and throw it over the branch. You release the
weight at a height so of 5.5 feet. What is the minimum initial vertical velocity vo
needed to rea
the branch? Round your answer to the nearest tenth.
(Hint: Use the equation h = -16t² + vt + s.)