Describing a ball's motion graphically (see Web Example 2-9). (a) Dastardly Dude checks out the pinball machine by firing the ball gently enough so that it rolls uphill a short distance then returns to the plunger. The graphs that follow describe the ball's motion: (b) its position versus time, (c) its velocity versus time, and (d) its acceleration versus time.

Figure 2-19 Describing a ball's motion graphically (see Web Example 2-9). (a) Dastardly Dude checks out the pinball machine by firing the ball gently enough so that it rolls uphill a short distance then returns to the plunger. The graphs that follow describe the ball's motion: (b) its position versus time, (c) its velocity versus time, and (d) its acceleration versus time.