Odpowiedź :
[tex]dane:\\m = 12 \ kg\\h = 6 \ m\\g = 10\frac{M}{kg}\\szukane:\\W = ?\\\\W = E_{p} = mgh\\\\W = mgh\\\\W = 12 \ kg\cdot10\frac{N}{kg}\cdot6 \ m\\\\W = 720 \ J[/tex]
[tex]dane:\\m = 12 \ kg\\h = 6 \ m\\g = 10\frac{M}{kg}\\szukane:\\W = ?\\\\W = E_{p} = mgh\\\\W = mgh\\\\W = 12 \ kg\cdot10\frac{N}{kg}\cdot6 \ m\\\\W = 720 \ J[/tex]