Questions
The moments of inertia of two spheres of equal masses about their diameters are equal. If one of them is solid and other is hollow, the ratio of their radii is
detailed solution
Correct option is C
Is=25 MRs2 Ih=23 MRh2 As Is=Ih ∴ 25MRs2=23MRh2 ∴ RsRh=53 .Talk to our academic expert!
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The radius of gyration of a rod of length L and mass M about an axis perpendicular to its length and passing through a point at a distance L/3 from one of its ends is
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