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解物理计算题时要深入理解题的物理内容,通过有关物理过程中物理量间的关系用数学方法求解.绝不能不顾物理过程而乱套公式.下面以有关速度问题为例,说明解题的一般方法:
When solving a physical calculation problem, it is necessary to thoroughly understand the physical content of the problem and use mathematical methods to solve the relationship between the physical quantities in the physical process. Must not ignore the physical process and set the formula in disorder. The following is an example of the speed problem to illustrate the general method of solving problems. :