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If volume of sphere is 850m³ then its radius and surface area are

Surface area of a sphere is 2464 cm2. If its radius is doubled, then the surface area of the new sphere will be

The surface area of a sphere is same as the curved surface area of a right circular cylinder whose height and diameter are 12 cm each. The radius of the sphere is:

A concrete sphere of radius R has a cavity of radius r which is packed with saw-dust. The specific gravities of concrete and saw dust are 2.4 and 0.3 respectively.The sphere floats with its entire vol

A concrete sphere of radius R has a cavity of radius r which is packed with sawdust. The relative densities of concrete and sawdust are 2.4 and 0.3 respectively. For this sphere to float with its enti

The following surface integral is to be evaluated over a sphere for the given steady velocity vector field F = xi + yj + zk defined with respect to a Cartesian coordinate system having i, j and k as u

The following surface integral is to be evaluated over a sphere for the given steady velocity vector field F = xi + yj + zk defined with respect to a Cartesian coordinate system having i, j and k as u