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[" A thick walled hollow sphere has oute...

[" A thick walled hollow sphere has outer radius "R" .It rolls down an incline without slipping and its "],[" speed at bottom is "v_(0)" .Now the incline is waxed so that the friction is absent.The sphere is "],[" observed to slide down without rolling and the speed is now "((5v_(0))/(4))." The radius of gyration of "],[" the hollow sphere about the axis through its centre is "]

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