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江苏省南京市2014年高三第3次模拟考试中物理第9题是一道力学选择题(多选题),同学反应很难,尤其是最后一个选项,用公式法很难得到明确的结论.笔者用计算机Excel的运算及作图功能进行深入研究,以帮助广大教师和同学进一步理解此题以及与此物理情景类似的题目,并且提供一种研究物理问题的不同于通常方法的方法.
The 9th physics question in the third year of the 3rd mock exam in Nanjing, Jiangsu Province in 2014 was a mechanical multiple-choice question (multiple choice questions). The student’s response was difficult, especially the last option. It was very difficult to get a definite conclusion with the formula method. Using computer Excel’s calculations and graphing capabilities to conduct in-depth research to help teachers and students to further understand this problem and similar topics with this physical scenario, and provide a method to study the physical problem is different from the usual methods.