名校
1 . 水上滑梯可简化成如图所示的模型:倾角为
斜滑道
和水平滑道
平滑连接,起点A距水面的高度
,
长
,端点C距水面的高度
.一质量
的运动员从滑道起点A点无初速地自由滑下,运动员与
、
间的动摩擦因数均为
。(
)
(1)求运动员沿
下滑时受到的摩擦力大小;
(2)求运动员从A滑到C的过程中克服摩擦力所做的功W;
(3)运动员从滑梯终点C平抛到水面的水平位移.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fda5655ef480683a2d3b74f0b523439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dde162b08253df0059186629f724906.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f015cf9bccbf9f32bcdd2d3855e2dce1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/436ea768b0ee22b23d210ad4f54a38f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48a5915073960940f33f33a6abca0cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3c5c91a3a6d3cf3ea3dd2b66411547c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d69d99f70e446cd0b0bb8ec4f2e6e68e.png)
(1)求运动员沿
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)求运动员从A滑到C的过程中克服摩擦力所做的功W;
(3)运动员从滑梯终点C平抛到水面的水平位移.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/6/8b67175b-781b-4d18-b9b3-406941db355a.png?resizew=269)
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2023-04-06更新
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417次组卷
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2卷引用:吉林省白城市通榆县毓才中学2022-2023学年高一下学期5月月考物理试题