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V= 200cm ³= 0,000200m³
d= 7900kg/1m³
g= 10N/kg
Szukane :
f=?
Wzór :
m=d*v
F=m*g
m= 0,000200m³·7900kg/m³
m= 1,58kg
F= 1,58kg · 10N/kg
F= 15,8 N
Odp. Ciężar wynosi 15,8 N.
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