Dane:
P = 50 W
t = 20 s
s = 25 m
Szukane:
W = ?
F = ?
P=W/t
50W=W/20s|*20s
W=1000J
W=F*s
1000J=F*25m
F=40N
p=w:t
W=t*P=20m/s*50W=1000J
F=w:s=1000J:25m=40N
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P=W/t
50W=W/20s|*20s
W=1000J
W=F*s
1000J=F*25m
F=40N
p=w:t
W=t*P=20m/s*50W=1000J
W=F*s
F=w:s=1000J:25m=40N