Question

care este volumul (in cm cubi) al unei sfere din sticla cu masa de 50 g
Va roog

Answer 1

$\rho = \frac{m}{V}\implies V = \frac{m}{\rho}$
$V_{\text{sfera}} = \frac{m}{\rho_{\text{sticla}}}$
$V = \frac{50\:g}{2,5\:g/cm^3}$
$V = \frac{50\:cm^3}{2,5} = 20\:cm^3$