oblicz masę 250 dm3 nafty. gęstość wynosi 810 kg/m3.
V = 250 dm³ = 0,25 m³
p = 810 kg/m³
p = m/V /*V
p*V = m
m = 810 kg/m³ * 0,25 m³ = 202,5 kg
gestosc=m/v
m=gestosc (ro)*v
m = 0,25 m³ * 810 kg/m³= 202,5 kg
v=250dm3=0,25m3
gestosc = 810kg/m3
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V = 250 dm³ = 0,25 m³
p = 810 kg/m³
p = m/V /*V
p*V = m
m = 810 kg/m³ * 0,25 m³ = 202,5 kg
gestosc=m/v
m=gestosc (ro)*v
m = 0,25 m³ * 810 kg/m³= 202,5 kg
v=250dm3=0,25m3
gestosc = 810kg/m3