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运动的合成与分解是高中物理的难点之一,也是近年高考出现频率最高的热点之一。通过一道典型的例题,浅析“矢量图”在轮船过河问题中的运用,以期抛砖引玉,共同探究轮船过河问题的解题方法与思路。
The synthesis and decomposition of sports is one of the difficulties in high school physics, and it is also one of the hottest spots in college entrance examination in recent years. Through a typical example, analyze the use of “vector” in the ship’s crossing of the river, with a view to throwing bricks to introduce jade, and jointly explore the problem-solving methods and ideas for ship crossing.