[tex]\large\boxed{\begin{array}{l} \underline{ \bf F\acute{o}rmula : } \\\huge\boxed{\boxed{\boxed{\boxed{\sf{v_m = \frac{s_f - s_i}{t_f - t_i} }}}}} \end{array}}[/tex]
[tex]\large\boxed{\begin{array}{l} \underline{ \bf Dados : }\\ \begin{cases} \sf t _{i} = 15s \rightarrow instante\, de\, tempo\, inicial \\ \sf s _{i} = 150m \rightarrow posic_{\!\!,}\tilde{a}o\, inicial \\ \sf t _{f} = 35s \rightarrow instante \,de\, tempo \,final \\ \sf s _{f} = 350m \rightarrow instante\, de\, tempo\, final \\ \sf v _{m} = ? \: m/s \rightarrow velocidade \: m \acute{e}dia\end{cases}\end{array}}[/tex]
[tex]\large\boxed{\begin{array}{l} \underline{ \bf{Soluc_{\!\!,}\tilde{a}o : }} \\ \sf v_m = \dfrac{350 - 150}{35 - 15} \\ \\ \sf v _{m} = \dfrac{200}{20} \\ \\ \sf v_{m} = 10 \: m/s \end{array}}[/tex]
