2 multiple choice questions

Question 5 {'1 point] E-Il 1|.i'ii'hen a rock is thrown straight up in the air, after it leaves the hand, the rock begins to slow down. This occurs because: 0 A} the force of gravity;r acting on the rocI-c increases as the rock rises. O B} the rock is gaining potential energy;r as it rises, and thus it must lose kinetic energy. 0 C} the forces acting on the rock are balanced. 0 Di the potential energiir of the rock decreases as the rock rises. Question 6 {'1 point] 5\" A 2.5 kg mass at rest on a horizontal surface is acted upon by an applied horizontal force of 150 N. A frictional force of 15K]I N acts on the mass. Hon.r much work is done on the mass? OMSDJ OB}125J 051301 Ollie OEisoJ