Answer 16.5
From Mechanics
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| - | <math>\frac{ | + | <math>\frac{4}{3}</math> <math>\text{m}{{\text{s}}^{-1}}</math>,  in the opposite direction as before the collision. | 
Revision as of 16:34, 27 March 2011
\displaystyle \frac{4}{3} \displaystyle \text{m}{{\text{s}}^{-1}}, in the opposite direction as before the collision.
 
		  