Question

Un corp de otel cintareste 70080 g calculati volumul corpului.

Answer 1

$m=70.080 \ g=70,08 \ kg \\ \rho=7800 \ kg/m^3 \\ V-? \\ \bold{Rezolvare:} \\ \boxed{\rho= \frac{m}{V}} , \ \Rightarrow \boxed{V= \frac{m}{\rho}} \\ \Rightarrow \ V= \frac{70,08 \ kg}{7800 \ kg/m^3} \\ \Rightarrow \boxed{V=0.0089(846153) \ m^3}.$