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高中物理要求学生对图象具备一定的定性分析能力,图象中的斜率、截距、交点和拐点等都在表达重要的物理信息,物理中有许多问题或情景借助图象可以很巧妙的表达.纵观近几年各地高考试题,从图象中获取、分析和处理信息的能力已经成为高考考查的热点之一.但是作为教师,对图象应具备一定的定量分析能力,并对图象的由来有着更加详尽的认识.下文以2011年江苏高考卷第5题为例,通过对该题的定量计算得出函数关系式,通过函数关系式利用
High school physics requires students to have a certain qualitative analysis of images. Slopes, intercepts, intersections, and inflections in the images all express important physical information. Many problems or scenarios in physics can be expressed very cleverly with the help of images. The ability to acquire, analyze, and process information from images has become one of the hottest topics in the college entrance examination in recent years. However, as a teacher, it is necessary to have a certain amount of quantitative analysis capability for images, and for images. The origin of the study has a more detailed understanding. In the following, the fifth issue of the 2011 Jiangsu College Entrance Examination Paper is used as an example. Through the quantitative calculation of the title, the functional relationship is obtained, and the functional relationship is used.