A cubical box, open at the top, with edge length 81.0
cm, is constructed from metal plate of uniform density and
negligible thickness. One of the bottom corners of the box is at
0,0,0, the base of the box is in the x-y plane and the box is the
positive quadrant. What is the x coordinate of the center
of mass of the box (in cm.)?
What is the y coordinate of the center of mass of the
box (in...