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Trigonometry
Question

Moment of inertia of a

Moment of inertia of a "thick" sphere Find the moment of inertia of a solid of constant density \(\delta\) bounded by two concentric spheres of radii \(a\) and \(b ( a < b )\) about a diameter.

Answer

\(I _ { z } = \frac { 8 \pi \delta ( b ^ { 5 } - a ^ { 5 } ) } { 15 }\)

Solution
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