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S=at2/2=0,4*25/2=5m
F=40N
m=100kg
t=5s
Sz:
s=?[m]
W:
s=at^2/2
a=F/m
a=F/m=40/100[kg* m/2^2 / kg = m/s^2]=0,4m/s^2
s= 0,4 *5^2 / 2 [m/s^2*s^2=m]=0,2*25=5m