Oblicz moc silnika , który w czasie 2 minut wykonuje pracę 240 kJ ?
P=W/t
W=240kJ=240000J
t=2 min=120s
P=240000J/120s=2000W=2 kW
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P=W/t
W=240kJ=240000J
t=2 min=120s
P=240000J/120s=2000W=2 kW