A circular disc rolls down on an inclined plane. The fraction of its total rolling energy associated with its rotational energy is,
A. 1
B. `1//3`
C. `1//2`
D. `1//4`

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1 Answers

Correct Answer - B
`(E_("rot"))/(T.E.)=(1)/(4)(mv^(2))/((3//4)mv^(2))=(1)/(3)`

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