Resposta:
Olá
V = 5 m/s
Explicação:
V = D / t
t = 4 minutos · 60 = 240 s
D = 1200 m
lofo V = 1200 m / 240s
V = 5 m/s
[tex]\Large\displaystyle\text{$\begin{gathered} \sf{ 4\,min\xrightarrow{\times60}\,=240\,s} \end{gathered}$}[/tex]
[tex]\Large\displaystyle\text{$\begin{gathered} \sf{V_m=\frac{\Delta S}{\Delta t} } \end{gathered}$}[/tex]
[tex]\Large\displaystyle\text{$\begin{gathered} \sf{ V_m=\frac{1200\,m}{240\,s}} \end{gathered}$}[/tex]
[tex]\Large\displaystyle\text{$\begin{gathered} \boxed{\boxed{\sf{ V_m=5\,m/s}}} \end{gathered}$}[/tex]
