When the waves occupy exactly the same space at the same time,the shape of the rope will be:为什么答案是D,不理解.

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When the waves occupy exactly the same space at the same time,the shape of the rope will be:为什么答案是D,不理解.
When the waves occupy exactly the same space at the same time,the shape of the rope will be:
为什么答案是D,不理解.

When the waves occupy exactly the same space at the same time,the shape of the rope will be:为什么答案是D,不理解.
当这两列波相遇时会发生干涉现象,两列波恰好重合时,振幅矢量相加,于是就是D答案,刚好第一列波左半周期是凸起来的,第二列波左半周期凹下去,互相抵消,右半周期同理.怎么没有财富值?

你可能对这类问题理解有错误,波是变化的,你先看它们之间的距离,再根据波的特性,频率,速度,波长,来分析两波重合时的状态

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