问个物理现象小铁球放在水面上,就会沉下去.是因为铁球的密度比水大吗?水冻成冰,把小铁球放在冰面上,就不会沉下去,但是冰的密度和水差不多啊.那么,铁沉入水中这个现象的实质是什么?能
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/08 19:33:58
![问个物理现象小铁球放在水面上,就会沉下去.是因为铁球的密度比水大吗?水冻成冰,把小铁球放在冰面上,就不会沉下去,但是冰的密度和水差不多啊.那么,铁沉入水中这个现象的实质是什么?能](/uploads/image/z/2285387-35-7.jpg?t=%E9%97%AE%E4%B8%AA%E7%89%A9%E7%90%86%E7%8E%B0%E8%B1%A1%E5%B0%8F%E9%93%81%E7%90%83%E6%94%BE%E5%9C%A8%E6%B0%B4%E9%9D%A2%E4%B8%8A%2C%E5%B0%B1%E4%BC%9A%E6%B2%89%E4%B8%8B%E5%8E%BB.%E6%98%AF%E5%9B%A0%E4%B8%BA%E9%93%81%E7%90%83%E7%9A%84%E5%AF%86%E5%BA%A6%E6%AF%94%E6%B0%B4%E5%A4%A7%E5%90%97%3F%E6%B0%B4%E5%86%BB%E6%88%90%E5%86%B0%2C%E6%8A%8A%E5%B0%8F%E9%93%81%E7%90%83%E6%94%BE%E5%9C%A8%E5%86%B0%E9%9D%A2%E4%B8%8A%2C%E5%B0%B1%E4%B8%8D%E4%BC%9A%E6%B2%89%E4%B8%8B%E5%8E%BB%2C%E4%BD%86%E6%98%AF%E5%86%B0%E7%9A%84%E5%AF%86%E5%BA%A6%E5%92%8C%E6%B0%B4%E5%B7%AE%E4%B8%8D%E5%A4%9A%E5%95%8A.%E9%82%A3%E4%B9%88%2C%E9%93%81%E6%B2%89%E5%85%A5%E6%B0%B4%E4%B8%AD%E8%BF%99%E4%B8%AA%E7%8E%B0%E8%B1%A1%E7%9A%84%E5%AE%9E%E8%B4%A8%E6%98%AF%E4%BB%80%E4%B9%88%3F%E8%83%BD)
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