12.质量相同的实心铜球和实心铁球投入同种液体后,所受浮力大小相等,这种液体一定是A.水 B.水银 C.酒精 D.盐水15.湖底的一个水泡上浮时(不计温度影响) A.体积变大 B.体积变小C
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![12.质量相同的实心铜球和实心铁球投入同种液体后,所受浮力大小相等,这种液体一定是A.水 B.水银 C.酒精 D.盐水15.湖底的一个水泡上浮时(不计温度影响) A.体积变大 B.体积变小C](/uploads/image/z/2596578-42-8.jpg?t=12%EF%BC%8E%E8%B4%A8%E9%87%8F%E7%9B%B8%E5%90%8C%E7%9A%84%E5%AE%9E%E5%BF%83%E9%93%9C%E7%90%83%E5%92%8C%E5%AE%9E%E5%BF%83%E9%93%81%E7%90%83%E6%8A%95%E5%85%A5%E5%90%8C%E7%A7%8D%E6%B6%B2%E4%BD%93%E5%90%8E%2C%E6%89%80%E5%8F%97%E6%B5%AE%E5%8A%9B%E5%A4%A7%E5%B0%8F%E7%9B%B8%E7%AD%89%2C%E8%BF%99%E7%A7%8D%E6%B6%B2%E4%BD%93%E4%B8%80%E5%AE%9A%E6%98%AFA%EF%BC%8E%E6%B0%B4+B%EF%BC%8E%E6%B0%B4%E9%93%B6+C%EF%BC%8E%E9%85%92%E7%B2%BE+D%EF%BC%8E%E7%9B%90%E6%B0%B415%EF%BC%8E%E6%B9%96%E5%BA%95%E7%9A%84%E4%B8%80%E4%B8%AA%E6%B0%B4%E6%B3%A1%E4%B8%8A%E6%B5%AE%E6%97%B6%EF%BC%88%E4%B8%8D%E8%AE%A1%E6%B8%A9%E5%BA%A6%E5%BD%B1%E5%93%8D%EF%BC%89+A%EF%BC%8E%E4%BD%93%E7%A7%AF%E5%8F%98%E5%A4%A7+B%EF%BC%8E%E4%BD%93%E7%A7%AF%E5%8F%98%E5%B0%8FC)
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