Jawabanmu

2014-04-15T10:20:15+07:00
Vf=20m^3
Berat jenis = 900 N/m^3
Luas bejana = 2m^3
g = 10 m/s^2

Pa = ρgV
Pa = 90.10.20
Pa = 18000
massa jenis = massa / volum
90.20 = m
1800 = m
Pbejana=F/A
Pbejana=m.g/Abejana
Pbejana = 18000/Abejana
Pbejana = ....

Ptotal = Pa + Pbejana
maaf klo saya salah

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