Energia

$$E_{\text{pot}}=-<!--\; -\; -->G<!--\; InvisibleTimes\; -->\frac{m_1<!--\; InvisibleTimes\; -->m_2}{r}$$ $$E_{\text{pot}}=m<!--\; InvisibleTimes\; -->g<!--\; InvisibleTimes\; -->h\text{dla}h<<R_z$$