Short Answer
A sphere is constructed of two concentric parts. The inner part is a solid sphere of radius 10.0 cm made of a material with density 4000 kg/m3. The outer part is a spherical shell with inner radius 10.0 cm and outer radius 20.0 cm. The material in the outer shell has a density 9000 kg/m3.
(a) What is the mass of the sphere?
(b) What is the average density of this sphere?
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(a) 281 kg...View Answer
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