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m=2,5 kg=2500 g
Rozwiązanie:
p= m/V
V= m/p
V= 2500 g/ 7,9 g/cm^3
V= 316,46 cm^3
ρ=7,9 g/cm^3
m=2,5 kg = 2500 g
Rozwiazanie
ρ=m/V
V=m/ρ
V=2500/7,9
V=316,46 cm^3