3.12 Momentum Practice: 2-body problems

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?)

Videos:

A brief visit to Mr. Melvin’s past:

An example problem:

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