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Three identical rings each of mass M and...

Three identical rings each of mass M and radius R are welded together with their planes mutually perpendicular to each other. Ring A is vertical and B is also vertical in a plane perpendicular to A. Ring C is in horizontal plane. Find moment of Inertia of this system about a horizontal axis perpendicular to the plane of the figure passing through point P (top point of ring A)

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The correct Answer is:
`29 MR^(2)`
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