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物理问题求解器/力学/一维运动
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来自维基百科，一个开放世界中的开放书籍
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物理问题求解器
一支箭从悬崖顶部水平发射，速度为每秒 22 米。如果这支箭降落在距离悬崖底部 180 米处，那么悬崖有多高？
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书籍：物理问题求解器
华夏公益教科书
