## Wikipedia - Energia cinetica (it) kinetic energy, $$E_{\text{k}}$$

https://doi.org/10.1351/goldbook.K03402
Energy of motion: for a body of mass $$m$$, $E_{\text{k}}=\frac{m\ v^{2}}{2}$ where $$v$$ is the speed.
Sources:
Green Book, 2nd ed., p. 12 [Terms] [Book]
PAC, 1996, 68, 957. (Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)) on page 978 [Terms] [Paper]