如图所示,如果将一个扬声器放在一个硬纸盒内,并在纸盒上开一个很小的孔,当扬声器播放音乐时,一根立在纸小孔盒前已点燃的蜡烛的火焰会随着音乐飘动.音乐停止,则火焰竖直向上不再飘动.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/14 22:39:42
![如图所示,如果将一个扬声器放在一个硬纸盒内,并在纸盒上开一个很小的孔,当扬声器播放音乐时,一根立在纸小孔盒前已点燃的蜡烛的火焰会随着音乐飘动.音乐停止,则火焰竖直向上不再飘动.](/uploads/image/z/9653638-22-8.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E5%A6%82%E6%9E%9C%E5%B0%86%E4%B8%80%E4%B8%AA%E6%89%AC%E5%A3%B0%E5%99%A8%E6%94%BE%E5%9C%A8%E4%B8%80%E4%B8%AA%E7%A1%AC%E7%BA%B8%E7%9B%92%E5%86%85%2C%E5%B9%B6%E5%9C%A8%E7%BA%B8%E7%9B%92%E4%B8%8A%E5%BC%80%E4%B8%80%E4%B8%AA%E5%BE%88%E5%B0%8F%E7%9A%84%E5%AD%94%2C%E5%BD%93%E6%89%AC%E5%A3%B0%E5%99%A8%E6%92%AD%E6%94%BE%E9%9F%B3%E4%B9%90%E6%97%B6%2C%E4%B8%80%E6%A0%B9%E7%AB%8B%E5%9C%A8%E7%BA%B8%E5%B0%8F%E5%AD%94%E7%9B%92%E5%89%8D%E5%B7%B2%E7%82%B9%E7%87%83%E7%9A%84%E8%9C%A1%E7%83%9B%E7%9A%84%E7%81%AB%E7%84%B0%E4%BC%9A%E9%9A%8F%E7%9D%80%E9%9F%B3%E4%B9%90%E9%A3%98%E5%8A%A8.%E9%9F%B3%E4%B9%90%E5%81%9C%E6%AD%A2%2C%E5%88%99%E7%81%AB%E7%84%B0%E7%AB%96%E7%9B%B4%E5%90%91%E4%B8%8A%E4%B8%8D%E5%86%8D%E9%A3%98%E5%8A%A8.)
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