February 20, 2017

Homework Help: physics

Posted by jj on Thursday, February 10, 2011 at 5:42pm.

Vector vector A has a magnitude of 27 units and points in the positive y-direction. When vector vector B is added to vector A , the resultant vector vector A + vector B points in the negative y-direction with a magnitude of 18 units. Find the magnitude of vector B ?

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