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ρ=m/V
ρ=7875 kg/m³ <--- pobrane z Wikipedii :)
ρ=m/V
m=ρ*V=7875 kg/m³*8m³=63 000kg=63 tony
Ciężar
F=m*g=63 000*10m/s²=630 000N=630 kN
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