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\begin{aligned} v &=\sqrt{\frac{2(95.75 \mathrm{~J})}{m}}=\sqrt{\frac{191.5 \mathrm{~kg} \cdot \mathrm{m}^{2} / \mathrm{s}^{2}}{30.0 \mathrm{~kg}}} \\ &=2.53 \mathrm{~m} / \mathrm{s} \end{aligned}