1. Projectile Motion Pre-Activity Purpose The purpose of this experiment is to create graphical and mathematical representations of the relationship between the range of a ball and the angle at which it is launched. The angle that gives the greatest range is also determined when launching on a level table.

2. Projectile Motion Pre-Activity Be sure that the launcher is slid all the way back so that the square nut in the T-slot is positioned as near as possible to the muzzle as in the diagram. In this configuration the launcher will shoot from table height. Put the steel ball into the Mini Launcher and then use the plunger to cock it to the long-range position (3 clicks).

3. Projectile Motion Pre-Activity For each angle, fire one shot to locate where the ball hits the table. At this position, tape a piece of white paper to the table. (One small piece of tape should suffice!) Place, do not tape, a piece of carbon paper (carbon-side down) on top of this paper. When the ball hits the table, it will leave a mark on the white paper. Be sure all ranges are measured in meters. Open the LoggerPro file Projectile Range vs. Angle and graph.