13-14高三·江苏扬州·开学考试
名校
1 . 一走廊拐角处的横截面如图所示,已知内壁
和外壁
都是半径为1m的四分之一圆弧,
分别与圆弧
相切于
两点,
且两组平行墙壁间的走廊宽度都是1m.
(1)若水平放置的木棒
的两个端点
分别在外壁
和
上,且木棒与内壁圆弧相切于点
设
试用
表示木棒
的长度![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249ceb10112fd91613778a9c0f590185.png)
(2)若一根水平放置的木棒能通过该走廊拐角处,求木棒长度的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fa8bd3792adb4f75697357808cd50c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3f9bfee95c2eb23455aac0f215e6022.png)
(1)若水平放置的木棒
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8fbc229c957487495bb8cda1d4cfd8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77b86d58fed70995d8d8c79b202d10d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249ceb10112fd91613778a9c0f590185.png)
(2)若一根水平放置的木棒能通过该走廊拐角处,求木棒长度的最大值.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/17/854bd198-ed25-4521-a8db-44a427e323da.png?resizew=159)
您最近一年使用:0次
2016-12-03更新
|
924次组卷
|
3卷引用:吉林省洮南市第一中学2020-2021学年高三上学期期中考试数学试题(理)
吉林省洮南市第一中学2020-2021学年高三上学期期中考试数学试题(理)(已下线)2015届江苏省扬州中学高三8月开学考试数学试卷江苏省南通市海安高级中学2019-2020学年高一下学期3月线上考试数学试题