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P=50kW=50000W
v= 2m/s
Szukane:
F=?
P=W/t -{ W=F*s} => P=F*s/t - { v=s/t}=> P=F*v
P=F*v => F=P/v
F=50000/2=25000 N
Siła ciągu wynosi 25000 N.