Use Spherical Coordinates to Find the Z Coordinate of the Center

question 29

Multiple Choice

Use spherical coordinates to find the z coordinate of the center of mass of the solid lying between two concentric hemispheres of radii 4 and 7, and having uniform density k.

• A) \(\bar { z } = \frac { \pi } { 715 }\)
• B) \(\bar { z } = \frac { 715 } { 248 } \pi\)
• C) \(\bar { z } = 248\)
• D) \(\bar { z } = \frac { 429 } { 149 }\)
• E) \(\bar { z } = \frac { 715 } { 248 }\)

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