【爆炸离开】:工程商常用爆破的方法开山劈岭,设用一条96cm长的引火线来点燃炸药,引火线燃烧速度是0.8cm/s,点燃引火线后,人以5m/s的速度跑开,他能不能在炸药爆炸前跑到离点火处500m远的安
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/16 23:00:29
![【爆炸离开】:工程商常用爆破的方法开山劈岭,设用一条96cm长的引火线来点燃炸药,引火线燃烧速度是0.8cm/s,点燃引火线后,人以5m/s的速度跑开,他能不能在炸药爆炸前跑到离点火处500m远的安](/uploads/image/z/10445253-69-3.jpg?t=%E3%80%90%E7%88%86%E7%82%B8%E7%A6%BB%E5%BC%80%E3%80%91%EF%BC%9A%E5%B7%A5%E7%A8%8B%E5%95%86%E5%B8%B8%E7%94%A8%E7%88%86%E7%A0%B4%E7%9A%84%E6%96%B9%E6%B3%95%E5%BC%80%E5%B1%B1%E5%8A%88%E5%B2%AD%2C%E8%AE%BE%E7%94%A8%E4%B8%80%E6%9D%A196cm%E9%95%BF%E7%9A%84%E5%BC%95%E7%81%AB%E7%BA%BF%E6%9D%A5%E7%82%B9%E7%87%83%E7%82%B8%E8%8D%AF%2C%E5%BC%95%E7%81%AB%E7%BA%BF%E7%87%83%E7%83%A7%E9%80%9F%E5%BA%A6%E6%98%AF0.8cm%2Fs%2C%E7%82%B9%E7%87%83%E5%BC%95%E7%81%AB%E7%BA%BF%E5%90%8E%2C%E4%BA%BA%E4%BB%A55m%2Fs%E7%9A%84%E9%80%9F%E5%BA%A6%E8%B7%91%E5%BC%80%2C%E4%BB%96%E8%83%BD%E4%B8%8D%E8%83%BD%E5%9C%A8%E7%82%B8%E8%8D%AF%E7%88%86%E7%82%B8%E5%89%8D%E8%B7%91%E5%88%B0%E7%A6%BB%E7%82%B9%E7%81%AB%E5%A4%84500m%E8%BF%9C%E7%9A%84%E5%AE%89)
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