Odpowiedź :
[tex]dane:\\m = 0,5 \ kg\\\Delta h = 1,3 \ m\\g = 10\frac{N}{kg}\\szukane:\\\Delta E_{p} = ?\\\\\Delta E_{p} = m\times g\times \Delta h\\\\\Delta E_{p} = 0,5 \ kg\times 10\frac{N}{kg}\times 1,3 \ m\\\\\Delta E_{p} = 6,5 \ J[/tex]
[tex]dane:\\m = 0,5 \ kg\\\Delta h = 1,3 \ m\\g = 10\frac{N}{kg}\\szukane:\\\Delta E_{p} = ?\\\\\Delta E_{p} = m\times g\times \Delta h\\\\\Delta E_{p} = 0,5 \ kg\times 10\frac{N}{kg}\times 1,3 \ m\\\\\Delta E_{p} = 6,5 \ J[/tex]