几道初三有关密度的物理题1.有一质量为5.4kg的铝球,体积是3000cm².是判断这个铝球是空心的还是实心的?如果是空心的.则空心部分的体积是多大?(ρ=2.7×10³kg/m³)2.一瓶白酒标有“500
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![几道初三有关密度的物理题1.有一质量为5.4kg的铝球,体积是3000cm².是判断这个铝球是空心的还是实心的?如果是空心的.则空心部分的体积是多大?(ρ=2.7×10³kg/m³)2.一瓶白酒标有“500](/uploads/image/z/513271-55-1.jpg?t=%E5%87%A0%E9%81%93%E5%88%9D%E4%B8%89%E6%9C%89%E5%85%B3%E5%AF%86%E5%BA%A6%E7%9A%84%E7%89%A9%E7%90%86%E9%A2%981.%E6%9C%89%E4%B8%80%E8%B4%A8%E9%87%8F%E4%B8%BA5.4kg%E7%9A%84%E9%93%9D%E7%90%83%2C%E4%BD%93%E7%A7%AF%E6%98%AF3000cm%26sup2%3B.%E6%98%AF%E5%88%A4%E6%96%AD%E8%BF%99%E4%B8%AA%E9%93%9D%E7%90%83%E6%98%AF%E7%A9%BA%E5%BF%83%E7%9A%84%E8%BF%98%E6%98%AF%E5%AE%9E%E5%BF%83%E7%9A%84%3F%E5%A6%82%E6%9E%9C%E6%98%AF%E7%A9%BA%E5%BF%83%E7%9A%84.%E5%88%99%E7%A9%BA%E5%BF%83%E9%83%A8%E5%88%86%E7%9A%84%E4%BD%93%E7%A7%AF%E6%98%AF%E5%A4%9A%E5%A4%A7%3F%EF%BC%88%CF%81%3D2.7%C3%9710%26sup3%3Bkg%2Fm%26sup3%3B%EF%BC%892.%E4%B8%80%E7%93%B6%E7%99%BD%E9%85%92%E6%A0%87%E6%9C%89%E2%80%9C500)
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