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\begin{aligned} \mathrm{KE}_{\text {int }} &=\frac{1}{2} m v^{2}=\frac{1}{2}(0.150 \mathrm{~kg})(35.0 \mathrm{~m} / \mathrm{s})^{2} \\ &=91.9 \mathrm{~J} \end{aligned}