Physics

Problem

For a uniform thin lamina lying in the

xy

-plane, the measured moments of inertia about the

x

- and

y

-axes through its centre O are

I_x = 0.22\,\text{kg m}^2

and

I_y = 0.18\,\text{kg m}^2

. Calculate the moment of inertia of the lamina about the

z

-axis through O.