Resposta
$W_{\text{net}} = \Delta E_k = \frac{1}{2}m v_f^2 - \frac{1}{2}m v_i^2$.
Explicação
The net work done by all external forces acting on a body equals the net change in its translational kinetic energy.
Início / Biblioteca / Gaokao essentials: original practice / Flashcard sintético
Flashcard de estudo do deck Gaokao essentials: original practice.
$W_{\text{net}} = \Delta E_k = \frac{1}{2}m v_f^2 - \frac{1}{2}m v_i^2$.
The net work done by all external forces acting on a body equals the net change in its translational kinetic energy.