A sphere is made up of two layers: The first is lead (density 11340and is of radius R. The second is tin, (7310and is concentric with the first, from radius R to radius 2R. The sphere is placed in a pool of mercury (density 13600 How much of the volume of the sphere is below the surface?

A. 68.5%
B. 57.5%
C. 57.0%
D. 64.2%


B. 57.5%

Physics & Space Science

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