The aim of this question is to learn the volume of a sphere and the density of different materials. If the radius r is known, the volume V of a sphere is given by: [ V = dfrac{ 4 }{ 3 } pi r^3 … … … (1) ] Also, for a given material the density $ […]

The aim of this question is to find the surface corresponding to the Spherical Coordinates $p=sintheta sinphi$ by utilizing the Cartesian Coordinate system and Equation of Sphere. First, we will explain the concept of Sphere, its Equation, and its Coordinates in the Cartesian Coordinate System. A Sphere is defined as a $3D$ geometrical structure have […]

Area of Rectangle A = 49 ft^(2) The aim of this article is to find the dimensions of a rectangle whose area A is known and it is assumed that it has the minimum perimeter P. The basic […]