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Dane: Szukane: Wzór: W=F*s F=m*g
s= 2m W=?
m= 1kg F=?
g= 10m/s2
F=1kg*10m/s2=10N
W=10N*2m=20J
z.2
Dane: Szukane: Wzór: W=F*s s=W/F
F=0,2kN=200N s=?
W=200J
s=200J:200N=1m
F=1kg*10m/s2=10N
W=10N*2m=20J
2.
s=200J:200N=1m
Ep=mgh
g=2m
m=1kg
g=10N\kg
Ep=2*1*10=20J
2.
F=0,2kN=200N
W=200J
W=F*s\F
w/F=s
s=200/200=1m