名校
1 . 一个小球作简谐振动,其运动方程为
,其中
(单位:
)是小球相对于平衡点的位移,
(单位:
)为运动时间,则小球在
时的瞬时速度为______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384e6d799050e75d5a8733557f3c7d31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2a22953b66e5f4a0337d22162a24b6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d65502a7ea4d1ce6d6d8c720845c73e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cbeede118c407a800b05757b9a1393e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc1dce4a03cf2c9a68b2399d4339a035.png)
您最近一年使用:0次
2022-05-10更新
|
611次组卷
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5卷引用:上海交通大学附属中学2023届高三上学期开学考试数学试题
名校
2 . 一个小球沿某一斜面自由滚下,测得滚下的路程
(单位:
)与时间
(单位:
)之间的函数关系为
,则:
(1)前
内球的平均速度为______
;
(2)在
时球的瞬时速度为______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15e00f40396e914d1d9955bd7785f1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d65502a7ea4d1ce6d6d8c720845c73e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e1f2c052f034a64c0484e8d5786cb48.png)
(1)前
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b7a662db44251ff09d2bc4cd5574bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22964de2a093c97a8755dbe70487735e.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66884efff7400f92b530d69d029778d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22964de2a093c97a8755dbe70487735e.png)
您最近一年使用:0次
名校
3 . “S”型函数是统计分析、生态学、人工智能等领域常见的函数模型,其图象形似英文字母“S”,所以其图象也被称为“S”型曲线.某校生物兴趣小组在0.5毫升培养液中放入5个大草履虫,每隔一段时间统计一次大草履虫的数量,经过反复试验得到大草履虫的数量
(单位:个)与时间
(单位:小时)的关系近似为一个“S”型函数
.已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a59b0523303b7b84657d90fe956d0b.png)
.的部分图象如图所示,
为
的导函数.
①对任意
,存在
,使得
;
②对任意
,存在
,使得
;
③对任意
,存在
,使得
;
④对任意
,存在
,使得
.
其中所有正确结论的序号是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ba27f55d572eae4b2369a9983a1ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a59b0523303b7b84657d90fe956d0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c81b29ac8a01886b25dcef55c5f6877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e01f1106983e1d6b46161e1213c65d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1c8ca569e742d9eeee3b85f61bd8e17.png)
①对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/630a0b4b243ea5997de1b6cdf5653f7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882e735e06541e2e6c542bc2af7f8fc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ace0286507d09fa10249582fdeeb4487.png)
②对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/630a0b4b243ea5997de1b6cdf5653f7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882e735e06541e2e6c542bc2af7f8fc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa658b7a15ce79949ece7485040d40e.png)
③对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882e735e06541e2e6c542bc2af7f8fc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/630a0b4b243ea5997de1b6cdf5653f7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3180fc5e6ba0ecebabc90531288aa34b.png)
④对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882e735e06541e2e6c542bc2af7f8fc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/630a0b4b243ea5997de1b6cdf5653f7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028f77357b896f66b64768e72151f098.png)
其中所有正确结论的序号是
您最近一年使用:0次
2021-05-07更新
|
1261次组卷
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8卷引用:北京一零一中学2023届高三下学期开学考数学试题
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