A ball is stationary at the summit of a hill. It then rolls downhill. When it reaches the bottom of the hill, the ball strikes a wall and comes to rest. Which energy changes take place?
- Agravitational potential energy $\rightarrow$ internal energy $\rightarrow$ kinetic energy
- Bgravitational potential energy $\rightarrow$ kinetic energy $\rightarrow$ internal energy
- Ckinetic energy $\rightarrow$ gravitational potential energy $\rightarrow$ internal energy
- Dkinetic energy $\rightarrow$ internal energy $\rightarrow$ gravitational potential energy