http://upload.wikimedia.org/math/5/c/b/5cbdceba601a68315f744dc1c06e9ba7.png" [Broken](adsbygoogle = window.adsbygoogle || []).push({});

How wxactly has this equation be derived?

http://upload.wikimedia.org/math/3/c/5/3c53f3d1c66725053decc7e3e546c32d.png" [Broken]

Can someone help me with the derivation. I cant trace the orgin of the second part od the systems of equation.

Help needed urgently Thanks

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# Homework Help: Inelastic Collision Derivation Help

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