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v=0,5 cm cub. ro plumb =11300 kg /m cub. m =?

Răspuns :

V=0,5 cm³
ρ=11,30g/cm³
m=?
Din formula densitatii:
ρ[tex]= \frac{m}{V} =\ \textgreater \ m=p*V\ \textless \ =\ \textgreater \ m= 11,30g/cm^{3}*0,5cm^{3}=5,65 g---[/tex]