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m = 1kg
h1 = 1m
h2 = 2m
g = 10m/s2(metry na sekunde do kwadratu) - zaokraglona wartosc przyspieszenia ziemskiego
Szukane:
Ep2 - Ep1
Rozw:
Ep1 = mgh1 = 1 x 10 x 1 = 10J
Ep2 = mgh2 = 1 x 10 x 2 = 20J
20J - 10J = 10J