Jawabanmu

2014-05-19T20:41:52+07:00
Dik : h = 7,5 - 4,5 = 3 cm= 3×10⁻² m, g = 10 m/s², ρ (rho) air = 1000 kg/m³.
dit : p hidrostatis = ?
jawab:
p = ρ.g.h
p = 1000.10.3.10⁻² = 300 Pascal