The velocity time graph of a body falling from rest under gravity and rebounding from a solid surfac

Question

The velocity time graph of a body falling from rest under gravity and rebounding from a solid surface is represented by the graph in the figure

Professor PC Thomas Classes · Answer

\ OA - downward motion\ AB velocity of striking\ $B C$ - Velocity of rebound\ $\mathrm{BC}<\mathrm{AB}$\ OB - Time of fall\ CD - Going up\ BD - Time of ascent\ DE - Coming down after reaching the highest point and so on.\