Motion graphs for the ball thrown upward in Example 2-12. The ball is in free fall, so that the constant acceleration equations are applicable, only between the instant it leaves the hand and the instant when it is again makes contact with the hand.

Figure 2-21 Motion graphs for the ball thrown upward in Example 2-12. The ball is in free fall, so that the constant acceleration equations are applicable, only between the instant it leaves the hand and the instant when it is again makes contact with the hand.