Jawabanmu

2014-04-15T18:51:23+07:00
P₁ = P₂
ρ₁ g h₁ = ρ₂ g h₂
ρ₁ h₁ = ρ₂ h₂
1. ρ₂ = 1.000 x 12 / 15 = 800 kg/m³
2. h₁ = 800 x 20 / 1.000 = 16 m
3. ρ₁ = 800 x 36 / 10 = 2.880
4. h₂ = 13.600 x 5 / 1.000 = 68 m