Pre-reading question: (3 parts)
1. Two dynamics carts are at rest on a track, as shown in the picture. What is the total momentum of the two-car system while they are both at rest?
Quick Poll (part 2):
Now watch this:
3. What was the total momentum of the system after the explosion? (HINT: What MUST the total momentum be?)
A brief visit to Mr. Melvin’s past: