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August 20, 2014

August 20, 2014

Posted by **TIshatilova** on Sunday, June 26, 2011 at 1:34am.

- physics -
**drwls**, Sunday, June 26, 2011 at 7:20am(a) CM velocity = (M1V1 + M2V2)/(M1 + M2)

where V1 and V2 are vectors.

= [2*(2i - 3j) + 3*(i + 6j)]/5

= [7i -12j]/5

(b) Total momentum

= Total mass * CM velocity

= 7i - 12j

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