# Moment of Inertia

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.

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