一艘小船从河岸A处出发渡河,小艇保持与河岸垂直方向行驶,经过10min到达正在对岸下游120m的C处.如果小艇保持原来的速度逆水斜向上游与河岸成a角方向行驶,则经过12.5min恰好到达正对岸的B处,
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/27 10:30:40
![一艘小船从河岸A处出发渡河,小艇保持与河岸垂直方向行驶,经过10min到达正在对岸下游120m的C处.如果小艇保持原来的速度逆水斜向上游与河岸成a角方向行驶,则经过12.5min恰好到达正对岸的B处,](/uploads/image/z/11403193-49-3.jpg?t=%E4%B8%80%E8%89%98%E5%B0%8F%E8%88%B9%E4%BB%8E%E6%B2%B3%E5%B2%B8A%E5%A4%84%E5%87%BA%E5%8F%91%E6%B8%A1%E6%B2%B3%2C%E5%B0%8F%E8%89%87%E4%BF%9D%E6%8C%81%E4%B8%8E%E6%B2%B3%E5%B2%B8%E5%9E%82%E7%9B%B4%E6%96%B9%E5%90%91%E8%A1%8C%E9%A9%B6%2C%E7%BB%8F%E8%BF%8710min%E5%88%B0%E8%BE%BE%E6%AD%A3%E5%9C%A8%E5%AF%B9%E5%B2%B8%E4%B8%8B%E6%B8%B8120m%E7%9A%84C%E5%A4%84.%E5%A6%82%E6%9E%9C%E5%B0%8F%E8%89%87%E4%BF%9D%E6%8C%81%E5%8E%9F%E6%9D%A5%E7%9A%84%E9%80%9F%E5%BA%A6%E9%80%86%E6%B0%B4%E6%96%9C%E5%90%91%E4%B8%8A%E6%B8%B8%E4%B8%8E%E6%B2%B3%E5%B2%B8%E6%88%90a%E8%A7%92%E6%96%B9%E5%90%91%E8%A1%8C%E9%A9%B6%2C%E5%88%99%E7%BB%8F%E8%BF%8712.5min%E6%81%B0%E5%A5%BD%E5%88%B0%E8%BE%BE%E6%AD%A3%E5%AF%B9%E5%B2%B8%E7%9A%84B%E5%A4%84%2C)
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