A block slides down a smooth inclined plane and then moves on to a rough horizontal surface. Which of the following is/are correct? (Neglect impulsive effect at the bottom of incline)
A. The graph of velocity as a function of time is
B. The graph of acceleration as a function of time is
C. The graph of mechanical energy as a function of time is
D. The graph of kinetic energy as a function of time is
