Odpowiedź:
F=m*g=5kg*10N/kg=50N
Praca W=F*s=50N*1,5m=75J
Moc P=W/t=75/3=25W
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Odpowiedź:
F=m*g=5kg*10N/kg=50N
Praca W=F*s=50N*1,5m=75J
Moc P=W/t=75/3=25W