So, the potential energy the cone has when it is at the top of the tree is 720.3 J and the potential energy the cone has when it sits on the ground below the tree is 686 J. What is the difference in t...So, the potential energy the cone has when it is at the top of the tree is 720.3 J and the potential energy the cone has when it sits on the ground below the tree is 686 J. What is the difference in the potential energy of a 70 g pinecone on a lower branch of the tree, which is 25 meters above the ground (compared to the pinecone on the ground)?