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pHg=?
pn=?
ρhg=13550kg/m³
ρn=700kg/m³
hHg=5cm=0,05m
hn=20cm=0,2m
g=10N/kg
pHg=ρhg·g·hHg=13550kg/m³·0,05m·10N/kg=6775Pa
pn=ρn·g·hn=700kg/m³·10N/kg·0,2m=1400Pa
zad 2
Fw=?
g=10N/kg
V=a³
a=3cm=0,03m
ρn=700kg/m³
V=(0,03m)³=0,000027m³
Fw=ρn·g·Vc=700kg/m³·10N/kg·0,000027m³ = 0,189 N ≈ 0,2 N