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1 . a、b两车在同一平直公路上行驶,
车做匀速直线运动,
车做匀减速直线运动,两车的位置
随时间
的变化关系图线如图所示,直线
和曲线
刚好在
时相切,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/719a627af6b0de19823983b65637cd92.png)
A.![]() |
B.![]() ![]() |
C.![]() ![]() ![]() |
D.从0到![]() |
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2023-06-25更新
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6卷引用:湖南省怀化市洪江市第一中学2023-2024学年高一上学期开学考试物理试题