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December 18, 2014

December 18, 2014

Posted by **al** on Tuesday, January 27, 2009 at 11:55pm.

how do you find the work done

- math -
**drwls**, Wednesday, January 28, 2009 at 12:05amTake the scalar "dot" product of the force vector and the displacement vector. The displacement vector is

-13i +9j +12k

(-13)*(-6) + 9*(-2) + 12*(-1)

= ?

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