Two blocks of ice are at rest on a smooth frozen lake. one block is 3 times the mass of the other block. a man pushes each block the same distance, d meters with an equal force. compared to the speed of the heavier block, how fast does the light block move?

This energy transformation diagram represents the energy of a skateboarder moving along a half-pipe. as she skates toward the top of the half-pipe, her original kinetic energy is converted to potential energy and friction. how much of the energy is potential?