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A solid sphere is moving on a horizontal...

A solid sphere is moving on a horizontal plane. Ratio of its translational K.E. and rotational kinetic energy is
[Hint : `E_L/E_r` = `(1/2mv^2)/(1/2Iomega^2)` = `(mv^2)/(2/5mr^2 omega^2)` = `(mv^2)/(2/5mv^2)`=`5/2`]

A

`1/5`

B

`5/2`

C

`3/5`

D

`5/7`

Text Solution

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The correct Answer is:
B
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