ρ水gV排=ρ木gV(1)ρ水g(V排-24)=ρ木拆慎g(V-32)ρ木=0.75g/cm³由旅此敬(1)得:V排=0.75V又:V排=V-32得:扒兄V-32=0.75V所以:V=128cm³
质量=密孙轮度*体积设体积搜凯燃为v,密度为p。水世虚的密度为q,q=1克/cm3(v-32)q=vp(v-32-24)q=(v-32)p联立上式,得v=128cm,p=0.75克/cm3