This motion was created with a special device that shoots and drops two balls, but you can do something similar with just some coins. Put one coin on the edge of a table, so that it is just about ...

In the Projectile Motion episode of NBC Learn's "The Science of NFL Football," you see that punted footballs travel in an arc known to mathematicians as a parabola.

The main trick to solving projectile motion problems is to realize that you can treat the x-motion and y-motion as separate problems. Time is the connection between these two 1-D motion problems.

We want them to see projectile motion in baseball games, long football throws (think the famous Hail Mary, game-winning touchdown pass by Dallas Cowboys quarterback Roger Staubach to Drew Pearson ...