1 . 如图是半径为lm的水车截面图,在它的边缘
圆周
上有一动点P,按逆时针方向以角速度
每秒绕圆心转动
做圆周运动,已知点P的初始位置为
,且
,设点P的纵坐标y是转动时间
单位:
的函数记为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/5351f40c-c197-448a-9f85-d05468d301d3.png?resizew=160)
求
,
的值,并写出函数
的解析式;
选用恰当的方法作出函数
,
的简图;
试比较
,
,
的大小
直接给出大小关系,不用说明理由
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e35838feaa7e872933d4307e338171f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec806610234c7fec1b312f4b9548557c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb318931fa9190faed887335bac4379e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b950648bedf2e05d2dfbef63ebd48ad7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4258bf9a35a31f5756b26d3e56439b08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ef0014ecf902e9bce84470beba58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69f59fa9180430c63a62c717fea8b03b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/5351f40c-c197-448a-9f85-d05468d301d3.png?resizew=160)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bbd0cca5ac040e300930067f5765fb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf3e0e91d11df30e2ad4443c6774c77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69f59fa9180430c63a62c717fea8b03b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d01cdcd804266e53edc52e842695a42d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a591bbd1b8351e5f681c72d8e568a805.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4bb89a362c1faf4d0c306eabbb59710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dc3464a8a0ad7132a4e12c0e8e61e63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07f43b6c97cb24ec4df1c09646970f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd666eee1d6a82c400624f38dfcee4ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
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2019-03-31更新
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2卷引用:【市级联考】广东省佛山市2018-2019学年高一上学期期末考试数学试题