A solid sphere of mass m rolls down an i...

A solid sphere of mass `m` rolls down an inclined plane a height `h`. Find rotational kinetic energy of the sphere.

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In case of pure rolling
`(K_(R))/(K_(T))=(2)/(5)` (for a solid sphere)
`thereforeK_(R)=(2)/(7)` (total kinetic energy)
`=(2)/(7)(mgh)`

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