Essay
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?
Correct Answer:
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(a)281 kg ...View Answer
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Correct Answer:
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