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July 25, 2014

Homework Help: Physics

Posted by Physics on Wednesday, June 17, 2009 at 2:23am.

I'm given two cars A and B

Car A is 1100 kg and traveling at 11 m/s

Car B is 1400 kg and traveling at 15 m/s

and I'm asked to fidn the velocity of both is just the net velocity 4 m/s ???

I'm also to find the impulse and how would I do that???

impulse is chang in momentum over the force correct???

so what force do I use then if I am???

I'm also asked to find the change in kinetic energy how do I do that???

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