题目内容
某一单摆的位移-时间如图所示,则该单摆的( )
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241703525445657.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241703525445657.jpg)
A.振幅是0.20m |
B.周期为1.25S |
C.频率为1.0Hz |
D.摆长为1.0m |
C
试题分析:由图读出单摆的周期
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824170352575415.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824170352809754.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824170352981721.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824170353714603.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824170353948627.png)
点评:由振动图象读出振幅、周期及某一时刻的位移、速度方向、加速度方向及速度和加速度大小的变化情况,是应培养的基本能力.
![](http://thumb2018.1010pic.com/images/loading.gif)
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题目内容
A.振幅是0.20m |
B.周期为1.25S |
C.频率为1.0Hz |
D.摆长为1.0m |