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a=2[cm] Fw=?
Ro=0.001[kg/cm³]
g=10[N/kg]
Fw=Ro*g*1/2V
V=a³
V=2*2*2[cm³]
V=8[cm³]
Fw=10*1/2*8*0.001[cm³*N/kg*kg/cm³]
Fw=40*0.001[N]
Fw=0.04[N]
Odpowiedz: Sila wyporu bedzie rowna 0.04[N](niutona)
Mam nadzieje ze pomoglem :P