如图1,动点P从矩形
的顶点A出发,沿
的方向以
的速度匀速运动到点C.设点P运动所用时间为
的面积为
,图2是点P运动时
随
变化的关系图象,则点D到
的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd66776565f049eb453c14fcaf79234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4bf2ed4e49655ce765ba6ffbb6c7d28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf38dac74d4a1f59669b6b0b0ea888d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f372e567a416d3dc405b2b0d72506b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f372e567a416d3dc405b2b0d72506b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d744165d6aad705f64de41a9d931750a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
2024·河南周口·二模 查看更多[1]
更新时间:2024-05-10 16:18:53
|
相似题推荐
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【推荐1】如图①,在
中,动点P从点A出发,以
的速度向点B运动.设运动时间为
,
,y与t的函数关系图象如图②所示,则图②中最低点M的纵坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5631e6ec24d3d67bf4592313b6b3f4f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65a54eb2123d9eafa3b923287abe8b5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c8644671f9e42e0092805c217e37f7c.png)
A.10 | B.12 | C.11 | D.12.5 |
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【推荐2】如图,在等边
中,
,动点D从点B出发,以1cm/s的速度沿
方向运动.同时动点E从点B出发以相同的速度沿
方向运动,当点D运动到点A时,点E也随之停止运动.连接
,将
沿
折叠,点B的对称点为点F,设点D的运动时间为t秒,
与
重叠部分的面积为y,则下列图象能大致反映y与t之间函数关系的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/16/f2384791-dd2d-42d3-9fc0-34ad0cf70d79.png?resizew=174)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d8b79e8117dbbe73418dce43aa08ba4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f2281cb6df0c3c518ce5ed19a02b57e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/16/f2384791-dd2d-42d3-9fc0-34ad0cf70d79.png?resizew=174)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】已知BD是△ABC的中线,AC=6,且∠ADB=45°,∠C=30°,则AB=( )
A.![]() ![]() | B.2![]() | C.3![]() ![]() | D.6 |
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【推荐2】如图,正方形
的对角线
与
相交于点
为
上的一点,
为
的中点.若
的周长为18,则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e7f10e0c8af2d0d02a685f6f19e329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb2e1016012c727d407934380796c08.png)
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A.4.5 | B.4 | C.3 | D.3.5 |
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