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Find the ratio of the moments of inertia...

Find the ratio of the moments of inertia of two solid spheres of same mass but densities in the ratio 1 : 8.

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According to the data, the radii of the spheres would be in the ratio `2:1. (I_(1))/(I_(2))=((R_(1))/(R_(2)))^(2)=4`
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AAKASH SERIES-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-PRACTICE EXERCISE
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