The total energy of rolling of mass 'm' and radius 'R' is

Options

A. `3//2 mv^(2)`
B. `1//2 mv^(2)`
C. `mv^(2)`
D. `5//2 mv^(2)`

Answer

C

Explanation

`E=(1)/(2)mv^(2)[1+K^(2)//R^(2)]`
`=(1)/(2)mv^(2)[1+1]=mv^(2)`.