Measurement

Question

what mathenatic formula is used to calculate the mass of a sphere?

Answer

The mass would be (4/3)*pi*r^3*rho, where<BR>&nbsp;<BR>pi() = the circular constant, approximately 3.1415926<BR>r = the radius of the sphere, and&nbsp;<BR>rho = the density of the sphere&nbsp;<BR><BR>If the radius is in centimeters, the density should be in grams per cubic centimeter, for instance.&nbsp; http://vrd.askvrd.org/services/answerschema.xml