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\begin{aligned} \theta &=\omega_{0} t+\frac{1}{2} \alpha t^{2} \\ &=0+(0.500)\left(110 \, \mathrm{rad} / \mathrm{s}^{2}\right)(2.00 \mathrm{~s})^{2}=220 \, \mathrm{rad}. \end{aligned}