某人乘船从河岸A处出发横渡,如果他使船头保持跟河岸垂直的方向航行,经10min到达对岸下游120m的C处;若他使船逆流而行,保持跟河岸成某一个角度的方向航行,经过12.5min恰好到达对岸的B处,则河
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/11 22:13:24
![某人乘船从河岸A处出发横渡,如果他使船头保持跟河岸垂直的方向航行,经10min到达对岸下游120m的C处;若他使船逆流而行,保持跟河岸成某一个角度的方向航行,经过12.5min恰好到达对岸的B处,则河](/uploads/image/z/7905676-4-6.jpg?t=%E6%9F%90%E4%BA%BA%E4%B9%98%E8%88%B9%E4%BB%8E%E6%B2%B3%E5%B2%B8A%E5%A4%84%E5%87%BA%E5%8F%91%E6%A8%AA%E6%B8%A1%2C%E5%A6%82%E6%9E%9C%E4%BB%96%E4%BD%BF%E8%88%B9%E5%A4%B4%E4%BF%9D%E6%8C%81%E8%B7%9F%E6%B2%B3%E5%B2%B8%E5%9E%82%E7%9B%B4%E7%9A%84%E6%96%B9%E5%90%91%E8%88%AA%E8%A1%8C%2C%E7%BB%8F10min%E5%88%B0%E8%BE%BE%E5%AF%B9%E5%B2%B8%E4%B8%8B%E6%B8%B8120m%E7%9A%84C%E5%A4%84%3B%E8%8B%A5%E4%BB%96%E4%BD%BF%E8%88%B9%E9%80%86%E6%B5%81%E8%80%8C%E8%A1%8C%2C%E4%BF%9D%E6%8C%81%E8%B7%9F%E6%B2%B3%E5%B2%B8%E6%88%90%E6%9F%90%E4%B8%80%E4%B8%AA%E8%A7%92%E5%BA%A6%E7%9A%84%E6%96%B9%E5%90%91%E8%88%AA%E8%A1%8C%2C%E7%BB%8F%E8%BF%8712.5min%E6%81%B0%E5%A5%BD%E5%88%B0%E8%BE%BE%E5%AF%B9%E5%B2%B8%E7%9A%84B%E5%A4%84%2C%E5%88%99%E6%B2%B3)
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