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\begin{aligned} \mathrm{KE}_{\mathrm{rot}} &=0.5\left(1067 \mathrm{~kg} \cdot \mathrm{m}^{2}\right)(31.4 \mathrm{rad} / \mathrm{s})^{2} \\ &=5.26 \times 10^{5} \mathrm{~J} \end{aligned}