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dane: szukane:
V=12cm3 d=?
m=0,022kg
d=m/V
d=0,022kg/12cm3
d≈0,1kg/cm3
druga kula:
dane: szukane:
V=40cm3 m=?
d=0,1kg/cm3
m=d*V
m=40cm3*0,1kg/cm3
m=4kg
trzecia kula:
dane: szukane:
V=180cm3 m=?
d=0,1kg/cm3
m=d*V
m=180cm3*0,1kg/cm3
m=18kg