Odpowiedź:
Ep=65 000J
h=25m
Ep=mgh
m=Ep/gh
m=65000J/25m*10N/kg
m=260kg
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Odpowiedź:
Ep=65 000J
h=25m
Ep=mgh
m=Ep/gh
m=65000J/25m*10N/kg
m=260kg