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追及与相遇问题是高中物理中一种比较典型的物理模型,它一般涉及两个物体的运动,且两个物体各自遵从着自己的运动规律,这使得物理过程变得相对复杂,学生在处理这类问题时常因物理过程复杂而难以找到突破口。解决这一类问题的方法很多,如代数法、图像法、相对运动法等。其中的代数法在这些方法中,不是最简单的,但却有较好的普适性,对学生数学思维和物理思维能力的培养也都很有帮助。
Pursuit and encounter is a typical high school physics model, which generally involves the movement of two objects, and each object to comply with their own laws of movement, which makes the physical process becomes more complex, the students deal with this Class problems often difficult because of the physical process and find a breakthrough. There are many ways to solve this kind of problems, such as algebraic law, image law, relative movement law and so on. Among these methods, the algebraic method is not the simplest, but it has good universality. It is also very helpful to students’ mathematical thinking and physical thinking ability cultivation.