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F= 500 N
s= 60 km =60000 m
t=2h = 7200 s
Wzor;
W(praca) = F · s
Obliczenia
W= 500 · 60000
W= 30000000 J(dżul)
P(moc)= W:t
P=30000000:7200
P= 4166 W
4166, W = 4,166 kW