Answer –

(a)The graph looks like a ball being kicked, then hitting a wall and bouncing back at a slower speed. The ball then travels in the opposite direction and collides with the opposing wall, which causes it to halt.
(b) The graph depicts a continual shift in the object’s velocity, with a loss of velocity at some point. As a result, it may depict a circumstance in which a ball hits the ground from a specific height and bounces back at a slower speed.
(c) A cricket ball that moves at a constant speed and is hit by a bat for a relatively brief period of time.