the ratio of the radii of gyration of a circular disc and a a circular ring of the same masses and radii about a tangential axis parallel to their planes is......
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Explanation:
√5 : √6 Explanation: Radius of gyration of disc about a tangential axis in the plane of disc is √5/2R =K1, radius of gyration of circular ring of same radius about a tangential axis in the plane of circular ring is
k²=✓3/2R
✓5/✓6
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