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dane: x=A/9, Ec=Epmax=Ekmax=0,5k*A2
szukane: Ek/Ep
-----------------------------
Ek/Ep = [Ec-Ep]/Ep = [0,5kA2 - 0,5kA2/81]/0,5kA2/81 = [1 - 1/81]/[1/81] =
Ek/Ep = [80/81]/[1/81] = 80
Szukany stosunek wynosi 80:1=80
Semper in altum....................pozdrawiam :)