A 42-g ball consists of a plastic spherical shell and a
A 42-g ball consists of a plastic spherical shell and a water-filled core. the shell has an outside diameter equal to 56.2 mm and an inside diameter equal to 21.3 mm. What is the density of the plastic?
=___________ kg/m3
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a 42-g ball consists of a plastic spherical shell and a water-filled core the shell has an outside diameter equal to
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