Evidence- point A is at the top of the rollercoaster, at a steady point
Reasoning- higher objects with further to fall have the greatest potential energy
Conclusion- Point A has the greatest potential energy because of its high position from the ground, and it has the biggest stored up energy waiting to fall.
Explanation: At that point, you have all of the momentum from B, and it is RIGHT at that point before it starts to lose energy. It has all of the built up momentum that started at A, and continued at B, and to continued to increase until C.
