Odpowiedzi

2009-11-07T21:42:27+01:00
W = F*S
F = 900N
V = 108km/h = 30m/s
S = 30m
t = 1s

W = 900N * 30m = 2700J
P = W/t
P = 2700J/1s = 2700W
Moc samochodu wynosi 2700W
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