dane: h=0.7m, m=100dag=0,1 kg, g= 10N/kg szukane: Ep=? Ep=m*g*h=0,1kg*10 N/kg*0,7m=0.7J
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dane: h=0.7m, m=100dag=0,1 kg, g= 10N/kg szukane: Ep=? Ep=m*g*h=0,1kg*10 N/kg*0,7m=0.7J