A truck is traveling with 50,000 J of kinetic energy. It hits the breaks and the truck now has 20,000 J of kinetic energy. Where does the rest of the energy go? In other words what type of energy is the kinetic energy converted into to keep mechanical energy? Include law of conservation of energy

Aball thrown by ginger is moving upward through the air. diagram a shows a box with a downward arrow. diagram b shows a box with an upward arrow. diagram c shows a box with a downward and upward arrow equal in size. diagram d shows a box with a downward and upward arrow with the downward arrow larger in size. which force diagram represents the forces on the ball? you may neglect the effects of air resistance.