A uniform spherical shell has a moment of inertia I about an axis tangent to its surface. The moment of inertia of this spherical shell about an axis through its center is
A、3I/5;
B、2I/5;
C、7I/5;
D、2I/7
发布时间：2025-10-22 23:49:17
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答案：2I/7
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