Jaka jest gestosc cieczy, w ktorej na glebokosci 30 cm panuje cisnienie 600Pa.
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h = 30 cm = 0,3 m
p = 600 Pa
g = 10 m/s2
szukane:
d = ?
p = d * g * h /:gh
d = p/gh
d = 600/(10 * 0,3)
d = 200 kg/m3