Some standout (but not necessarily new) ideas:
- Explicitly relate the x-t graph to the motion of the projectile's shadow on the floor (when illuminated from directly overhead) and the y-t graph to the projectile's shadow on the wall (when illuminated directly from the positive/negative x-direction).
- As an extension, have advanced students make a video of something with significant air resistance being tossed instead of a nice, aerodynamic ball.
- Tie all 'errors'/'limits to precision' back to 'tools, techniques, and environment'.
- The spinning-track CFPM demo apparatus is awesome.
- Use a video of the whirling stoppers lab done badly to discuss safety and reliability issues with students.
- To help students visualize force diagrams, build 3D versions out of straws and putty.
There was some debate about whether tangential velocity increases when you increase the centripetal force and radius is free to change, or if it just looks faster because the angular velocity increases. Anyone know?