Odpowiedzi

2009-12-09T00:47:30+01:00
F = 240kN = 240000N
v = 108km/h = 108 *1000m/3600s = 30m/s

P = W/t = F*s/t = F * v

P = 240000N * 30m/s = 7 200 000W = 7 200kW = 7,2MW
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