Odpowiedź :
[tex]dane:\\m = 5 \ kg\\h = 1,5 \ m\\g = 10\frac{N}{kg}\\szukane:\\E_{p} = ?\\\\E_{p} = mgh\\\\E_{p} = 5 \ kg\cdot10\frac{N}{kg}\cdot1,5 \ m = 75 \ J[/tex]
[tex]dane:\\m = 5 \ kg\\h = 1,5 \ m\\g = 10\frac{N}{kg}\\szukane:\\E_{p} = ?\\\\E_{p} = mgh\\\\E_{p} = 5 \ kg\cdot10\frac{N}{kg}\cdot1,5 \ m = 75 \ J[/tex]