A 0.200-kilogram ball sits on a shelf 2.00 meters from the floor and then falls to a point 1.00 meter from the floor. Ignoring any affects due to friction, at this position _____. its mechanical energy is 3.92 J its potential energy is 3.92 J its kinetic energy is 3.92 J its potential energy is 1.96 J its kinetic energy is 1.96 J its mechanical energy is 1.96 J