Question

calcule a velocidade media de um caminhao que percorreu 120 km em 2 horas​

Answer 1

vm=x. x=120

/\s=120 km. 2 x=60 km

/\t=2 h

Answer 2

$\Large\displaystyle\text{ \begin{gathered} \sf{ V_m=\dfrac{\Delta S}{\Delta t}}\\\sf V_m=\dfrac{120}{2}=60\:km/h \end{gathered} }$