More Elastic and Inelastic Collisions - periods 2 and 4 ONLY

This blog post if for periods 2 and 4 on Friday, February 

I checked the homework and we graded Quiz #1.  After that I continued the discussion of collision types and talked about explosions being inelastic collisions in reverse.  I also talked about elastic collisions and showed this great clip with lots of elastic collisions:

I gave time to work on Worksheet 2, Worksheet 3 and the Review Sheet.

HW: Study for quiz on WS 2 (answers here); Finish WS 2 if not done, WS 3; Review Sheet