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Ep=mgh
Ep=0.2 razy 5 razy 10
Ep=10 J
Energia kinetyczna wynosi 10 J
Zadanie 2
Dane
m=20g = 0.02kg
Ep=100J
g= 10m/s
Szukane:
h=?
Ep=mgh
h=Ep/gm
h=100/10 razy 0.02
h=50m
Odp: Wysokośc wynosi 50m