Oszacuj mase ziemi [latex]Rz=6380km[/latex] [latex]G=6,67*10^{-11} frac{m*n^{2}}{kg^2} [/latex] [latex]g=9,8 frac{m}{s^2} [/latex]

[latex]frac{GM_Z}{R_Z^2}=g\\ M_Z= frac{gR_Z^2}{G} \\ M_Z= frac{9,8frac{m}{s^2}cdot (6380000m)^2}{6,67cdot 10^{-11} frac{m^3}{kgs^2} } \\ M_Z= frac{9,8frac{m}{s^2}cdot (6380000m)^2}{6,67cdot 10^{-11} frac{m^3}{kgs^2} } \\ oxed{M_Zapprox5,98cdot 10^{24} kg}[/latex]