TonyWeber123 15/08/2017 Vm1=Δs1/Δt1 50km/h=150/Δt1 Δt1=Δs1/vm1 Δt1=150/50=3h vm2=Δs2/Δt2 Δt2=Δs2/vm2 Δt2=700/100=7h vmt(velocidade media total) soma total de Δs e divide pela soma de Δt total vmt=850/10 resposta=85km/h vmt=85km/h
TonyWeber123
Vm1=Δs1/Δt1 50km/h=150/Δt1 Δt1=Δs1/vm1 Δt1=150/50=3h vm2=Δs2/Δt2 Δt2=Δs2/vm2 Δt2=700/100=7h vmt(velocidade media total) soma total de Δs e divide pela soma de Δt total vmt=850/10 resposta=85km/h vmt=85km/h