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a=1dm=0,10m
b=2dm=0,20m
c=10cm=0,10m
ro=700kg/m3
szukane:
m=? v=?
v=a*b*c
v= 0,10 * 0,10 * 0,20 [m*m*m]
v= 0,002m
ro=m/v |*v
m=ro*v
m= 700 * 0,002 [kg/m3 * m]
m=1,4kg
odp: Masa cieczy wynosi 1,4 kg.