题目内容
如图所示是一水平弹簧振子做简谐运动的振动图像(x-t图),下列说法中不正确的是
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241808076385686.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241808076385686.jpg)
A.在t1和t3时刻具有相同的速度 |
B.在t3和![]() |
C.在t4和t6时刻具有相同的位移 |
D.在t1和t6时刻具有相同的速度 |
A
试题分析:
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824180807903291.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824180808122282.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824180808122282.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824180807654321.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824180807654321.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824180809089326.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824180807903291.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824180809089326.png)
故选A
点评:关键是理解简谐振动的对称性规律
![](http://thumb2018.1010pic.com/images/loading.gif)
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题目内容
A.在t1和t3时刻具有相同的速度 |
B.在t3和![]() |
C.在t4和t6时刻具有相同的位移 |
D.在t1和t6时刻具有相同的速度 |