Moment of Inertia

Classical Mechanics Level 1

A mass of \(1\text{ kg}\) is placed at \((1\text{ m}, 2\text{ m}, 0).\) Another mass of \(2\text{ kg}\) is placed at \((3\text{ m}, 4\text{ m}, 0).\)

Find the moment of inertia of the system about the \(z\)-axis.