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Ce masa are o bucata de nichel cu volumul de 200 cm3? (Pnichel = 8 900 kg/m?)​

Răspuns :

Răspuns:

[tex]p = \frac{m}{v} \\ \\ m = p \times v = \\ \\ = \frac{8900 \: kg}{{m}^{3} } \times 200 {cm}^{3} = \\ \\ = \frac{8900 \: kg}{ {m}^{ 3} } \times 0.0002 {m}^{3} = \\ \\ = 1.78 \: kg[/tex]

Succes!