[tex]dane:\\m = 700 \ g = 0,7 \ kg\\E_{p} = 5,6 \ J\\g = 10\frac{m}{s^{2}}=10\frac{N}{kg}\\szukane:\\h = ?\\\\E_{p} = mgh \ \ /:mg\\\\h = \frac{E_{p}}{m\cdot g}\\\\h = \frac{5,6 \ J}{0,7 \ kg\cdot10\frac{N}{kg}} = \frac{5,6 \ N\cdot m}{7 \ N}\\\\h = 0,8 \ m[/tex]
