Answer
$W_{\text{net}} = \Delta E_k = \frac{1}{2}m v_f^2 - \frac{1}{2}m v_i^2$.
Explanation
The net work done by all external forces acting on a body equals the net change in its translational kinetic energy.
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State the work-energy theorem for a particle of mass $m$.
Study flashcard from the deck Gaokao essentials: original practice.