A $2.00 \mathrm{~kg}$ mass is located at $(4.00 \mathrm{~m}, 0.00 \mathrm{~m}, 0.00 \mathrm{~m})$ and a $4.00 \mathrm{~kg}$ mass is located at $(0.00 \mathrm{~m}, 3.00 \mathrm{~m}$, $0.00 \mathrm{~m}$ ). The rotational inertia of this system of masses about the Z-axis, perpendicular to the X-Y plane, is
A) $68 \mathrm{~kg} \mathrm{~m}^{2}$.
B) $55 \mathrm{~kg} \mathrm{~m}^{2}$.
C) $62 \mathrm{~kg} \mathrm{~m}^{2}$.
D) $50 \mathrm{~kg} \mathrm{~m}^{2}$.
E) $58 \mathrm{~kg} \mathrm{~m}^{2}$.

Question

Quizplus · Accepted Answer

The Answer is A

A 2.00 kg2.00 \mathrm{~kg}2.00 kg Mass Is Located At (4.00 m,0.00 m,0.00 m)(4.00 \mathrm{~m}, 0.00 \mathrm{~m}, 0.00 \mathrm{~m})(4.00 m,0.00 m,0.00 m)

A $2.00 \mathrm{~kg}$ Mass Is Located At $(4.00 \mathrm{~m}, 0.00 \mathrm{~m}, 0.00 \mathrm{~m})$