# Q : 3    The diameter of a metallic ball is . What is the mass of the ball, if the density of the metal is  per ?

Given,

The radius of the metallic sphere =

We know, Volume of a sphere =

The required volume of the sphere =

Now, the density of the metal is  per ,which means,

Mass of  of the metallic sphere =

Mass of  of the metallic sphere =

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