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专题1 运动图象 追及与相遇问题导学目标 1.理解匀变速直线运动的x-t图象v-t图象并会运用它们解决问题.2.掌握追及与相遇问题的特点以及解决这类问题的一般方法.一运动的图象[基础导引]1.如图1所示是abcd四个物体的x-t图象则:(1)四个物体运动的起始坐标分别为:xa______xb______xc______xd________.(2)四个物体的运动方向为:a______b____
高考英语(人教版)大一轮复习讲义课件_必修5_Unit_3___Life_in_the_
高考英语(人教版)大一轮复习讲义课件_必修3_Unit4_Astronomy_the_science_of_the_
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