A circular disc rolls down an inclined plane, the fraction of its total energy associated with its rotation is _____.

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SSC JE ME Previous Paper 16 ( Held on: 1 March 2017 Evening)
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  1. 1/2
  2. 1/3
  3. 1/4
  4. 2/3

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Option 2 : 1/3
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Concept:

Total energy of the disc rolling down on an inclined plane is

Total rotational energy is

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