A $6.00 \mathrm{~kg}$ Mass Is Located At $(2.00 \mathrm{~m}, 2.00 \mathrm{~m}, 2.00 \mathrm{~m})$

Multiple Choice

A $6.00 \mathrm{~kg}$ mass is located at $(2.00 \mathrm{~m}, 2.00 \mathrm{~m}, 2.00 \mathrm{~m})$ and a $5.00 \mathrm{~kg}$ mass is located at $(-1.0 \mathrm{~m}, 3.00 \mathrm{~m}$ , $-2.00 \mathrm{~m}$ ) . The rotational inertia of this system of masses about the Z-axis, perpendicular to the $\mathrm{X}-\mathrm{Y}$ plane, is

A) $98 \mathrm{~kg} \mathrm{~m}^{2}$ .
B) $79 \mathrm{~kg} \mathrm{~m}^{2}$ .
C) $60 \mathrm{~kg} \mathrm{~m}^{2}$ .
D) $112 \mathrm{~kg} \mathrm{~m}^{2}$ .
E) $85 \mathrm{~kg} \mathrm{~m}^{2}$ .