题目内容
a、b两辆汽车在同一条平直公路上行驶的v-t图象如下图所示.下列说法正确的是
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250039168342336.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250039168342336.png)
A.t1时刻,a车和b车处在同一位置 |
B.t2时刻,a、b两车运动方向相反 |
C.在t1到t2这段时间内,b车的加速度先减小后增大 |
D.在t1到t2这段时间内,b车的位移大于a车的位移 |
CD
试题分析:
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003916850396.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003916865291.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003916881454.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003916912283.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003916928327.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003916881454.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003916850396.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003916990433.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003917006299.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003916990433.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003917006299.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003916912283.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
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