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What fraction of translational kinetic e...

What fraction of translational kinetic energy of rolling circular disc to total kinetic energy ?

A

`1//3`

B

1

C

`2//3`

D

`1//2`

Text Solution

Verified by Experts

The correct Answer is:
C

`(KE_("trans"))/(KE_("roll"))=((1//2)mv^(2))/((3//4)mv^(2))=(2)/(3)`
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