2] On a boring summer afternoon, Ronaldo is playing outside and shoots a ball of mass 2 kg horizontally with a speed of 8.0 m/s toward a green cart. The mass of the green cart is 15 kg and it rolls at a speed of 1.0 m/s along a horizontal path with no friction. The ball gets stuck in the card. [.0 ml: 8.0 mn's I* a) What is the velocity of the cart after the ball strikes it? (0.5 pts) as bl What are the initial and nal kinetic energies of the system? Is the energy conserved in this collision process? (1 ms) c] What type of collision process is it '? (0.5 pts)