Day 110: IF charts

2014-04-14 08.41.53


Today I used a cart of mass 3m smashing and sticking to a cart of mass m to introduce IF charts. I really love how we can look at how the individual momentum changes (the momentum of cart 3m decreases while cart m increases) as well as look at initial final momentum (hence IF, initial total should equal final total so long as the external net force is zero).


##MTM ##representations

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