[tex]\Large\displaystyle\text{$\begin{gathered} \hookrightarrow\boxed{\boxed{\bf{ E_C= 10~J }}} \end{gathered}$}[/tex]
[tex]\Large\displaystyle\text{$\begin{gathered} \sf{E_C = \dfrac{m \cdot{v} {}^{2} }{2} } \end{gathered}$}[/tex]
[tex]\Large\displaystyle\text{$\begin{gathered} \sf{E_C = \dfrac{0,2 \cdot10 {}^{2} }{2} } \end{gathered}$}[/tex]
[tex]\Large\displaystyle\text{$\begin{gathered} \sf{E_C = \dfrac{0,2 \cdot100}{2} } \end{gathered}$}[/tex]
[tex]\Large\displaystyle\text{$\begin{gathered} \sf{E_C = \dfrac{20}{2} } \end{gathered}$} [/tex]
[tex]\Large\displaystyle\text{$\begin{gathered} \boxed{\boxed{\sf{E_C =10 \: J }}} \end{gathered}$} [/tex]
