Cody is using a sling shot and rock to knock down a can that he has placed on a tree stump. His first attempt fails because he r
ealizes the rock didn't go far enough. How does Cody increase the amount of potential energy of the rock to make it reach the can and knock it down? A. Cody needs to stretch the sling shot back more.
B. Cody needs to get a bigger rock.
C. There is no way that Cody can knock the can down.