Compute each part of given question:
Question: The desperate contestants on a TV survival show are very hungry. The only food they can see is some fruit hanging on a branch high in a tree. Fortunately, they have a spring they can use to launch a rock. The spring constant is 1680N/m, and they can compress the spring a maximum of 16.1cm. They choose a rock that has a mass of 509g.
Part I: With what speed does the rock leave the spring?
Part II: What is the highest fruit that they could hope to dislodge using their spring and rock?
Please keep answer short and simple and please no copy and paste. Thanks.