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\begin{aligned} F_{\text {net }} &=\frac{\Delta p}{\Delta t}=\frac{3.306 \mathrm{~kg} \cdot \mathrm{m} / \mathrm{s}}{5.0 \times 10^{-3} \mathrm{~s}} \\ &=661 \mathrm{~N} \approx 660 \mathrm{~N} \end{aligned}