Moment of inertia of the earth about an ...

Moment of inertia of the earth about an axis passing through its centre of mass is (where R and `rho` are radius and density of the earth respectively).

`2/5 piR^(2)rho`

`2/3 piR^(2)rho`

`8/(15)piR^(2)rho`

`4/(15)piR^(2)rho`

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