名校
1 . 扬中三桥是扬中市区与金港大道快速通道的交通枢纽,毗邻姚桥高速公路入口和大港南站高铁站,也是镇江市区、新区等地联系的重要通道.为了解大桥跨度,小李、小丽、小张三位同学组建社会实践活动小组,通过测量得知:
相距
(百米),
分别位于
处的北偏西
,南偏西
方向上,
分别位于
处正西,西偏南
方向上.根据下列提供的数据,在不使用计算器的基础上,选择合适解题方案,作答下列问题:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc4d5b6b7411f4b17732d5bcd4d99d0.png)
![](https://img.xkw.com/dksih/QBM/2021/4/25/2707450330718208/2772467086286848/STEM/d6fe521efed54f8bbbf2e2cea1efc42e.png?resizew=219)
(1)计算
两地之间的距离;
(2)大桥为保证行驶安全,限制最高时速不超过
公里,若一辆汽车需要过桥,它通过
之间的桥面刚好用时
秒,判断该车是否超速.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5c40e45fdb98b87035089ba2d435eb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd9509561b313ded316c421223c6a856.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e0be75f41c333a533e197da7f2ec5da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8141d00b74eb4c50bf861e6ff0edf137.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc4d5b6b7411f4b17732d5bcd4d99d0.png)
![](https://img.xkw.com/dksih/QBM/2021/4/25/2707450330718208/2772467086286848/STEM/d6fe521efed54f8bbbf2e2cea1efc42e.png?resizew=219)
(1)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098a3e7d1f1890863b7483a98b618119.png)
(2)大桥为保证行驶安全,限制最高时速不超过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1f959e5f8d89390f0f136f6acc9f6fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e6f1af4b44b2e97e8f319bab4ae9010.png)
您最近一年使用:0次
2021-07-26更新
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124次组卷
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2卷引用:宁夏回族自治区石嘴山市第三中学2022-2023学年高一下学期第一次月考数学试题