题目内容
(10分)图为沿x轴向右传播的简谐横波在t=1.2 s时的波形,位于坐标原点处的观察者测到在4 s内有10个完整的波经过该点。
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250020106693786.png)
求该 ① 波的波幅、频率、周期和波速。
②画出平衡位置在x轴上P点处的质点在0-0.6 s内的振动图象。
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250020106693786.png)
求该 ① 波的波幅、频率、周期和波速。
②画出平衡位置在x轴上P点处的质点在0-0.6 s内的振动图象。
① A=0.1 m
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002010747505.png)
②
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002010700557.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002010716488.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002010747505.png)
②
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250020107786983.jpg)
试题分析:①从图中可得,振幅:A=0.1 m
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002010794753.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002010809667.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002010825702.png)
②
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250020108563206.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
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