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11. A circular disc rolls down an inclined plane. The fraction of its rotational energy with respect to the total energy is (use moment of Inertia of the disc MR) (e) 0:0 Solutions: Correct answer (b)

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Solution→ Given data moment of inexta of disc (1) where M Mass ot disc R- Radius of disc MR2 Rotatimal Kinetic emegd (R. κ.ε)H102 4 4 2. and potential ener (P.6) = o (in moving condition) 4- T. MV 2 4- o, Fractim of Rotatimak energy to Tatak eneng My2 3

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