1)
石块体积V=它排开的水的体积=(12cm-10cm)*50cm^3=100cm^3
浮力=p水*Vg=(1g/cm^3)*(100cm^3)*(10N/1000g)=1N
2)
石块的密度为
p=m/V=mg/Vg=G/Vg=3N/[(100cm^3)*(10N/1000g)]=3g/cm^3=3000kg/m^3
1)
石块体积V=它排开的水的体积=(12cm-10cm)*50cm^3=100cm^3
浮力=p水*Vg=(1g/cm^3)*(100cm^3)*(10N/1000g)=1N
2)
石块的密度为
p=m/V=mg/Vg=G/Vg=3N/[(100cm^3)*(10N/1000g)]=3g/cm^3=3000kg/m^3