A solid sphere has a radius of 2 cm and a mas of 0.05 kg. What is the relative density of the sphere ?

A solid sphere has a radius of 2 cm and a mass of 0.05 kg. What is the relative density of the sphere ? (AS_(1))

A solid sphere has a radius of 1.5 cm and a mass of 0.038 kg. Calculate the specific gravity or relative density of the sphere.

A right circular metal cone (solid) is 8 cm high and the radius is 2 cm. It is melted and recast into a sphere. What is the radius of the sphere?

Moment of inertia of two spheres of equal radii are equal.One of the spheres is solid and has the mass 5 kg.What is the mass of the hollow sphere?