[tex]dane:\\m = 3,5 \ kg\\h = 40 \ m\\g = 10\frac{m}{s^{2}}\\szukane:\\E_{p} = ?\\\\E_{p} = m\cdot g\cdot h\\\\E_{p} = 3,5 \ kg\cdot10\frac{m}{s^{2}}\cdot40 \ m\\\\E_{p} = 1 \ 400 \ J = 1,4 \ kJ\\\\(1 \ kJ = 1000 \ J)[/tex]
Odp. Jego energia potencjalna Ep = 1,4 kJ.
