The object shown in the figure consists of a rectangular solid, a plate, and a quarter-circular wire, with densities as follows: solid: 0.0005 g/mm, plate: 0.01 g/mm, wire: 0.05 g/mm. Determine the coordinates of the center of mass. (Round the final answers to four decimal places.) 6 mm N- y 8 mm 10 mm 6 mm x The x coordinate of the center of gravity is of the center of gravity is mm, the y coordinate of the center of gravity is mm, and the z coordinate mm.