已知向量
,则
在
上的投影向量为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27dd8bd58dfb923cb37f3ebb25d3f464.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
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22-23高一下·宁夏吴忠·期末 查看更多[4]
宁夏吴忠市2022-2023学年高一下学期期末联合调研考试数学试题(已下线)模块一 专题2 平面向量基本定理与坐标运算(讲)(已下线)模块一专题2 《平面向量基本定理与坐标运算》 【讲】(苏教版)(已下线)模块一 专题4 平面向量基本定理与坐标运算(讲)北师大版高一期中
更新时间:2023-08-01 18:39:06
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【推荐1】设向量
,
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与
的夹角为锐角,则实数x的取值范围是( )
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【推荐2】已知
,其中
,
分别是
轴、
轴正方向上的单位向量,若
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共同作用于一物体,使物体从点
移到点
,则合力所做的功为( )
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d753a0a27ec4302346bcee918ebd3e50.png)
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【推荐3】已知
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【推荐2】若向量
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【推荐3】定义
,
是向量
和
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,
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【推荐1】平面向量
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