[tex]Dane:\\F = 150 \ N\\v = 2\frac{m}{s}\\Szukane:\\P = ?\\\\Rozwiazanie\\\\P = \frac{W}{t} = \frac{F\cdot s}{t} =F\cdot\frac{s}{t} = F\cdot v\\\\\underline{P = F\cdot v}\\\\P = 150 \ N\cdot2\frac{m}{s} = 150 \ kg\cdot\frac{m}{s^{2}}\cdot2\frac{m}{s} = 300 \ kg\cdot\frac{m^{2}}{s^{3}}\\\\\boxed{P = 300 \ W}[/tex]
