Resoluçao:

Vi = 2000000 x 160 = 320000000 L

ΔV = Vi.γ.Δt

ΔV = 320000000.10³.40

ΔV = 32.10⁷.10^-3.(-40)

ΔV = -1280.10⁴

ΔV = -12800000 L

Vf = 320000000 - 1280000

Vf = 307200000

barris = 307200000/160 = 1920000

 

Resposta: 0.000 barris.