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December 19, 2014

Homework Help: physics

Posted by johnny on Thursday, December 11, 2008 at 8:12pm.

Three vectors are given by = 4.5 + 2.5 - 2.0, = -1.0 - 4.0 + 5.0, and = 2.0 + 2.0 + 1.0. Find the following.
(a) a (b*c )


(b) a (b+c)


(c) a x( a+b)

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