船从A点出发渡河,正对岸是B点,若船头保持跟河对岸垂直匀速航行,经10min到达C点,C点在B下游120m处,若保持航速不变,船头AB成30度角匀速航行,则可到达B点,求河宽、船的航速、水流速度.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/11 20:29:43
![船从A点出发渡河,正对岸是B点,若船头保持跟河对岸垂直匀速航行,经10min到达C点,C点在B下游120m处,若保持航速不变,船头AB成30度角匀速航行,则可到达B点,求河宽、船的航速、水流速度.](/uploads/image/z/9618005-29-5.jpg?t=%E8%88%B9%E4%BB%8EA%E7%82%B9%E5%87%BA%E5%8F%91%E6%B8%A1%E6%B2%B3%2C%E6%AD%A3%E5%AF%B9%E5%B2%B8%E6%98%AFB%E7%82%B9%2C%E8%8B%A5%E8%88%B9%E5%A4%B4%E4%BF%9D%E6%8C%81%E8%B7%9F%E6%B2%B3%E5%AF%B9%E5%B2%B8%E5%9E%82%E7%9B%B4%E5%8C%80%E9%80%9F%E8%88%AA%E8%A1%8C%2C%E7%BB%8F10min%E5%88%B0%E8%BE%BEC%E7%82%B9%2CC%E7%82%B9%E5%9C%A8B%E4%B8%8B%E6%B8%B8120m%E5%A4%84%2C%E8%8B%A5%E4%BF%9D%E6%8C%81%E8%88%AA%E9%80%9F%E4%B8%8D%E5%8F%98%2C%E8%88%B9%E5%A4%B4AB%E6%88%9030%E5%BA%A6%E8%A7%92%E5%8C%80%E9%80%9F%E8%88%AA%E8%A1%8C%2C%E5%88%99%E5%8F%AF%E5%88%B0%E8%BE%BEB%E7%82%B9%2C%E6%B1%82%E6%B2%B3%E5%AE%BD%E3%80%81%E8%88%B9%E7%9A%84%E8%88%AA%E9%80%9F%E3%80%81%E6%B0%B4%E6%B5%81%E9%80%9F%E5%BA%A6.)
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