Question

A ball is dropped and its displacement vs time graph is as shown Fig.(displacement x is from ground and all quantities are +ve upwards).

(a) Plot qualitatively velocity vs time graph.

(b) Plot qualitatively acceleration vs time graph.

Answer 1

Under gravity, the ball is released and falling. For short time intervals in which the ball collides with ground and when the impulsive force acts, a large acceleration produces, unless it is –g.