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December 21, 2014

December 21, 2014

Posted by **Karl** on Monday, October 10, 2011 at 6:39pm.

- physics -
**drwls**, Monday, October 10, 2011 at 7:27pmLet the box bottom be centered at the origin, with sides parallel to the x and y axes.

The center of mass is at x = 0 and y = 0 for reasons of symmetry. For the z coordinate, take the area-weighted mean of the z coordinates of the centers of the four sides and bottom. That would be

z = 4*20/5 = 16 cm

(0,0,16)

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