位移
(单位:
与时间
(单位:
之间满足函数关系式
,则当
时的瞬时速度为______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/203795323d10835c15957ed3014b8e48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b71fda2b3fd343e977499ae050e9e11c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed4489fc84c180425e6f6141b6035480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2367459cd9b98af6ce8b335c1c94420.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53afeaf21f93091b71608d21540be239.png)
更新时间:2022-05-26 14:01:11
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【知识点】 导数定义中极限的简单计算