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A solid sphere is in rolling motion...

A solid sphere is in rolling motion a body possesses translational kinetic energy `(K _(t) )` as well as rotaional kinetic energy `(K_(r ))` simltaneously . The ratio `K_(t ) : (K _(t) + K_(r) ) ` for the sphere is

A

`10 :7`

B

`5 :7`

C

`7 :10`

D

`2 :5`

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