A 57-g ball consists of a plastic spherical shell and a water-filled core. the shell has an outside diameter equal to 41.4 mm and an inside diameter…

A 57-g ball consists of a plastic spherical shell and a water-filled core. the shell has an outside diameter equal to 41.4 mm and an inside diameter equal to 17.9 mm. What is the density of the plastic?

 kg/m3