[tex]\displaystyle\\
\overrightarrow{p}=\overrightarrow{F}\Delta t =20N\cdot s = m\overrightarrow{v}=20Kg\cdot metri/s\\\\
\overrightarrow{v}= \frac{20}{m}= \frac{20}{1}= 20~metri/s\\\\
Ec= \frac{m v^2}{2}= \frac{1\cdot 20^2}{2}= \frac{400}{2}=200~J
[/tex]
