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Sahay Sir > Question Answers > MTG NEET Physics > Part 1 > Chapter 9 - Rotation > A coin of mass m and radius r, having moment of inertia l about the axis passing through its centre and perpendicular to its plane, is beaten uniformly to from a disc of radius 2r. What will be the moment of inertia about the same axis ?

A coin of mass m and radius r, having moment of inertia l about the axis passing through its centre and perpendicular to its plane, is beaten uniformly to from a disc of radius 2r. What will be the moment of inertia about the same axis ?

A coin of mass m and radius r having moment of inertia l about the axis passing through its centre and perpendicular to its plane is beaten uniformly to from a disc of radius 2r. What will be the moment of inertia about the same axis ?