Odpowiedź:
U=3kV=3000V I=670A P=U*I=2010000W
V=108km/h=108*1000m/3600s=30m/s
F=15kN=15000N
P1=F*V
P1=30m/s*15000N=450000W
P1/P*100%=450000W*100%/2010000W=22.3880597%=22.388%
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Odpowiedź:
U=3kV=3000V I=670A P=U*I=2010000W
V=108km/h=108*1000m/3600s=30m/s
F=15kN=15000N
P1=F*V
P1=30m/s*15000N=450000W
P1/P*100%=450000W*100%/2010000W=22.3880597%=22.388%