A particle of mass 1kg is placed at a di...

A particle of mass `1kg` is placed at a distance of `4m` from the centre and on the axis of a uniform ring mass `5kg` and radius `3m`. The work done to increase the distance of the particle from `4m` to `3sqrt(3)`m is

`1.05 xx 10^(-11) J`

`1.11 xx 10^(-11) J`

`1.43 xx 10^(-11) J`

`1.80 xx 10^(-11) J`

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