Question

Um trem viaja com a velocidade constante de 200 km/h quantas horas ele gasta para percorrer 4800 km?

Answer 1

$\large\boxed{\begin{array}{l}\sf V_m=\dfrac{\Delta S}{\Delta t}\iff\Delta t=\dfrac{\Delta S}{V_m}\\\\\sf \Delta t=\dfrac{4800}{200}\\\\\sf\Delta t=24\,h\end{array}}$