题目内容
在平直公路上有甲、乙两辆汽车同时从同一位置沿着同一方向做匀加速直线运动,它们速度v的平方随位移x变化的图象如图所示,则下列说法错误的是
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408242310108925344.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408242310108925344.png)
A.甲车的加速度比乙车的加速度大 |
B.在位移x = 0.5m处甲乙两车的速度相等 |
C.在位移x = 0.5m处甲乙两车相遇 |
D.在时间t = 2s末甲乙两车相遇 |
C
试题分析:根据
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824231012156673.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824231013450417.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824231014730898.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824231013450417.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
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