Jawabanmu

2014-05-07T10:16:40+07:00
H1 = 40 cm
h2 = 31 cm 
p1/ p air = 1000 kg/m³ = 0,001 gr/m³
p2?
p1.h1=p2.h2
1000. 40= p2. 31
p2=1000.40 : 31 = 1290, 34 kg/m³= 0,00129034 gr/m³
1 1 1
2014-05-07T10:23:11+07:00
Dik = р air : 1000kg/m3
h1 : 40cm
h2 : 31cm
Ditanyakan = p1 ...???

Jawab : p1.h1 = p air .h2
p1 x 40cm = 1000 kg/m3 x 31cm
p1 = 1000kg/m3 x 31cm
               40 cm
p1 = 775 kg/m3
1 1 1