Task id16733

Using integral calculus, solve problems 7.12, 7.13 and 7.14 analytically. 7.12. Using numerical methods, find the position of the center of mass of the semicircle. For ease of calculation, set R==1.00. 7.13. Using numerical methods, find the position of the center of mass of the hemisphere. 7.14.Using numerical methods, find the position of the center of mass of a right circular cone of height h=1, the generatrix of which makes an angle a with the height.