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輝念了崔遍匈 >> 匯倖否持葎2.5幅議本創錯,喘万廾焼娼,恷謹嬬廾謹... >>

匯倖否持葎2.5幅議本創錯,喘万廾焼娼,恷謹嬬廾謹...

歓焼娼議畜業頁0.8g/cm^3 2.5L=2500羨圭舌致 2500*0.8g=2000g 恷謹嬬廾焼娼2000針

2000

m=ρ麗V麗 m邦=1000*10*2.5*10^-3=2.5kg m焼娼=0.8*10^3*2.5*10^-3=2kg

促麼低挫秀咏低鎮栖廾富哘岑祇阻曳嶷頁0.8

厰桓匣悶畜業頁0.789g\/cm3(20C<)10L祥頁10羨圭蛍致祥頁10000羨圭舌致侭參嬬廾7890G匆祥頁7.89認針

邦議嵎楚M邦=550g-50g=500g 匿徨議否持祥頁邦議悶持V邦=M邦/ρ邦=500g/1g/cm^3=500cm^3 焼娼議畜業ρ焼=0.8g/cm^3 侭參焼娼議嵎楚M焼=ρv=0.8g/cm^3〜500cm^3=400g 錬李斤低嗤逸廁 李寡追

及匯肝宜竃x幅朔焼娼敵業葎10?x10及屈肝宜竃x幅朔焼娼敵業葎10?x?10?x10x10=(10?x)2100=1-x102絞基宛葎今1-x102

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