Suggest a suitable physical situation for each of the following graphs (Fig.)

Explanation

(a) A ball at rest on a smooth floor is kicked, it rebounds from a wall with reduced speed and moves to the opposite wall which stops it, (b) A ball thrown up with some initial velocity rebounding from the floor with reduced speed after each hit, (c) A uniformly moving cricket ball turned back by hitting it with a bat for a very short time-interval.