Question

Um carro desloca 400m em 20s. Calcule sua velocidade média.

Answer 1

Vm=ΔS/ΔT 
Vm=400/20
Vm=20m/s

Answer 2

$\large\displaystyle\text{ \mathsf{V_m=\dfrac{\Delta S}{\Delta t} } }$

$\large\displaystyle\text{ \mathsf{ V_m=\dfrac{400\,m}{20\,s}} }$

$\large\displaystyle\text{ \boxed{\boxed{\mathsf{V_m=20\,m/s}} } }$