题目内容
一枚火箭由地面竖直向上发射,其速度-时间图象如图所示,由图象可知( )
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250010282732890.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250010282732890.png)
A.0~t0段火箭的加速度小于段火箭的加速度 |
B.在![]() ![]() |
C.![]() |
D.![]() |
AC
试题分析:速度图象的斜率代表物体的加速度,由图可知:0 ~ t0段的斜率小于
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825001028304424.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825001028304424.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825001028304424.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
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题目内容
A.0~t0段火箭的加速度小于段火箭的加速度 |
B.在![]() ![]() |
C.![]() |
D.![]() |