larissamathiasolivei 20/07/2017 Δt = tf - toΔt = 19 - 15Δt = 4hΔS = Sf - SoΔS = 380 - 150ΔS = 230Km==========================================================Vm = ΔS/ΔtVm = 230/4Em m/s:V = 57,5/3,6 ≈ 15,9m/s
larissamathiasolivei
Δt = tf - to
Δt = 19 - 15
Δt = 4h
ΔS = Sf - So
ΔS = 380 - 150
ΔS = 230Km
==========================================================
Vm = ΔS/Δt
Vm = 230/4
Em m/s:
V = 57,5/3,6 ≈ 15,9m/s