Resposta :
Vm = ∆S / ∆t
∆S= Sf - So ==> ∆S= 120km - 20km ==> ∆S= 100km
∆t= Tf - To ==> ∆t= 11h - 6h ==> ∆t= 5h
Vm = 100km
5h
Vm = 20km/h
∆S= Sf - So ==> ∆S= 120km - 20km ==> ∆S= 100km
∆t= Tf - To ==> ∆t= 11h - 6h ==> ∆t= 5h
Vm = 100km
5h
Vm = 20km/h