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If a spherical ball rolls on a table wit...

If a spherical ball rolls on a table without slipping, the fraction of its total energy associated with rotation is

A

`3//5`

B

`2//7`

C

`2//5`

D

`3//7`

Text Solution

Verified by Experts

The correct Answer is:
B
Fractions `=(1//2(2//5 mr^(2))(v/r)^(2))/(1/2mv^(2) + 1/2(2//5 mr^(2))(v/r)^(2)) = 2/7`
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