从2014年高考江苏物理压轴题谈参考系的选择

摘要

通过巧选参考系，快速解答2014年高考江苏物理压轴题，补充介绍巧选参考系的原则，附以典型训练，抛砖引玉。%For solving the last problem of com bined scinece tests of physics in the college entrance exam of jiangsu province in 2014 ,we rasied a new way of choosing Coordinate which can settle the question mentioned above quickly .In this paper we first describe the specific way of solving that question .We then describe the principle of choosing coordinate in a subtler way .Finally we present some typical questions that could be solved by this way .