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V = 0,5 dm³ = 0,0005 m³
ρ = 2160 kg/m³
Szukane :
Q = ?
Rozwiązanie :
ρ = m / V
m = ρV
Q = mg
g ≈ 10 N/kg
m = 2160 * 0,0005
m = 1,08 kg
Q = 1,08 * 10
Q = 10,8 N
szukane: m = ? Fc = ?
masa: m = V*ρ = 0,0005*2160 = 1,08 kg
ciężar: Fc = m*g = 1,08*10 = 10,8 N GOTOWE....