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A GeoGebra applet was created to supplement lectures and experiments surrounding collisions for AP or introductory college physics. Students can explore two-body one-dimensional conservation of momentum problems in this simulation by manipulating the masses and velocities of two colliding objects. They can compare both vectoral and graphical momentum representations of inelastic and elastic collisions as well as the novel addition of explosions, a special form of inelastic collision. In the following article the importance of momentum representation as a graphical area is explained along with the mathematics of the program, hints for using the applet and how it can be incorporated into the classroom.
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