Mathematics · Density and Volume Calculations
A spherical shell of outer radius R and inner radius R2 contains a solid sphere of radius R2 inside it. The density of the material of the inner solid sphere is ρ and that of the shell is ρ2. What is the average mass density of the complete combined sphere of radius R?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 15ρ8
- 27ρ8
- 39ρ16✓
- 43ρ4
Correct answer
9ρ16
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