SPH4U 5.3 Collisions

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Welcome to Koopmans OnPhysics!
All videos and handouts can be found on the Koopmans OnPhysics website:

These videos are designed to cover the Grade 11 and 12 Ontario Physics curriculum. Please enjoy!
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me: *likes the video before watching it because Mr. OnPhysics never misses* 😌

georgiavrana
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Hi, Your videos are really helpful, Thanks a lot.
I just had a question, in question one after finding the final velocity of one, why didn't you just put it back in the first formula ((m1v1 + m2v2)i = m1v1 +m2v2)f) and solved it again since now only final velocity of second one was unknown? why did we have to use the kinetic formulas?

cyrusmobini