27. A frustum of a uniform solid cone has base radius R and height H as shown. Radius of top surface is . If height of centre of mass of frustum is from base then n 4n will be. R/2

A frustum of a uniform solid cone has base radius R and height H as shown. Radius of top surface is (R )/(2) . If height of centre of mass of frustum is (11H)/(4n) from base then n will be.

A frustum of a uniform solid cone has base radius R and height H as shown. Radius of top surface is (R )/(2) . If height of centre of mass of frustum is (11H)/(4n) from base then n will be.

From a hemisphere of radius R a cone of base radius R/w and height R is cut as shown in figure. Find the height of centre of mass of the remaining object.

Find the volume of a right-circular cone of base radius r and height h.

A uniform solid cone of height 40 cm is shown in figure. The distance of centre of mass of the cone from point B (centre of the base) is :

A uniform solid cone of height 40 cm is shown in figure. The distance of centre of mass of the cone from point B (centre of the base) is :

A uniform solid cone of height 40 cm is shown in figure. The distance of centre of mass of the cone from point B (centre of the base) is :

The total surface area of a cylinder of base radius r and height h is :

The curved surface area of a cone of base radius r and height h is_______.

From a uniform solid cone of base radius R and height H, a symmetric cone of the base radius (R)/(2) is removed as shown. Then the centre of mass is shifted by H/n. Find the value of of n.