Odpowiedź :
[tex]Dane:\\ v=108\frac{km}{s}=30\frac{m}{s}\\ F= 900N\\ Oblicz:\\ P=?\\ Rozwizanie:\\ P=Fv\\ P=900*30\\ P=27\ 000W=27kW[/tex]
v = 108km/h = 30m/s
F = 900N
[tex]P = \frac{W}{t} = \frac{Fs}{t} = Fv[/tex]
P = 900N x 30m/s = 27000W = 27kW
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