A student sits outside of his home and begins to observe his surroundings. Which observation demonstrates the GREATEST amount of potential energy? A. A 1kg rock sitting on the ground because even though the rock is not moving, it has a small mass.
B. A 58kg person running at 5.0 m/s because the person is moving faster.
C. A 58kg person walking at 1.0 m/s because the person is moving slowly.
D. A 990kg car parked outside because even though the car is not moving, it has a large mass.