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Dane: Szukane: Wzór:
P=500W W=? [J] W=P×t
t=2s
W=500W×2s=1000J=1kJ
Zad.2
Dane: Szukane: Wzór:
F=300N W=? [J] W=F×s
s=100m
W=300N×2s=600J
Zad.3
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