Find the location of the center of mass for following objects : (i) A disk of uniform density which has a hole cut out of it, as shown in the figure left below. (ii) A uniform plate of the form shown in the figure right below. DE 2a 21 41 21 21 F 21 21 21 21 (iii) A solid tetrahedron of uniform mass distribution. (iv) A homogeneous circular pyramid with base radius a and height h.

Find the location of the center of mass for following objects : (i) A disk of uniform density which has a hole cut out of it, as shown in the figure left below. (ii) A uniform plate of the form shown in the figure right below. DE 2a 21 41 21 21 F 21 21 21 21 (iii) A solid tetrahedron of uniform mass distribution. (iv) A homogeneous circular pyramid with base radius a and height h.