1 . 已知向量
,
.
(1)若
,试判断向量
与
是否垂直;
(2)若向量
与
的夹角为钝角,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9b5c802f323dfd6e9646cde37957072.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebbbe307abfb7dc50cd49727156a594b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a882037b9ce104ecc496e0f31a139361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67a5673958e175b00200a75e645c73c.png)
(2)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2023-07-25更新
|
294次组卷
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4卷引用:江西省萍乡市2022-2023学年高一下学期期末考试数学试题
江西省萍乡市2022-2023学年高一下学期期末考试数学试题(已下线)第08讲 6.3.5平面向量数量积的坐标表示-【帮课堂】(人教A版2019必修第二册)6.3.5 平面向量数量积的坐标表示11种常考题型归类(2)-高频考点通关与解题策略(人教A版2019必修第二册)(已下线)6.3.5 平面向量数量积的坐标表示——随堂检测
2 . 设
,
,且
与
的夹角为锐角,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43fa9307f35580493bf435ac6a464b25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc1ad72d16dc0f25f24bbd587a26ebd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-06-11更新
|
244次组卷
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2卷引用:2023版 湘教版(2019) 必修第二册 过关斩将 第1章 本章复习提升
3 . 若
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c1267516e981efe5d79740977128da.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c68c732dc42fd679092fcac6132de637.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f52ee08698e89af3ef859e3e67da04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02f7d08d10754ff3903d139768f40530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c1267516e981efe5d79740977128da.png)
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解题方法
4 . 如图所示,在
处发射一束激光,经过
轴反射后撞击
处的一个中子.已知
,
的坐标分别为
,
,求光束射到
轴的位置
点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed18bd80c6c4142f68e89f4ad44570b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbfbb1f6dd7b89d1f02abb8a0ca68dba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/10/99bdcffb-4246-498f-a03c-640ac9b88fba.png?resizew=149)
您最近一年使用:0次
5 . 已知点
,向量
与
同向,且
模为
,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9b4081755dd5d63529f95fab4ca51a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e3c8f3a0ebe2ba858d21357c9ec3217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38acfaa0f912c2598cc341ec98da8a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
您最近一年使用:0次
6 . 已知平行四边形的三个顶点坐标分别为
,
,
,求第四个顶点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fceddc8200cc9ef7adb9b0b8aac87647.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b96726374e05330dd8e2abd924b4058.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/369a6785ee77de4eccaad01b374d7253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
您最近一年使用:0次
7 . 已知向量
,
,若
,求x,y的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/526f2fe613bb50753556eb3e115f20b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eead1d99dc6bedfc09c022c6d9fcf38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4b7ca4667865ebe617fa6539e8d11fd.png)
您最近一年使用:0次
名校
解题方法
8 . 若
,
,且
与
的夹角为锐角,则
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9dc4156bbf9f785413ab4261c6533c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36dcef2493fc5cbd9d0c06991e142fc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2023-06-08更新
|
332次组卷
|
3卷引用:人教B版(2019) 必修第三册 北京名校同步练习册 第八章 向量的数量积与三角恒等变换 8.1 向量的数量积 8.1.3 向量数量积的坐标运算
人教B版(2019) 必修第三册 北京名校同步练习册 第八章 向量的数量积与三角恒等变换 8.1 向量的数量积 8.1.3 向量数量积的坐标运算上海市华东师范大学第三附属中学2022-2023学年高一下学期期末数学试题(已下线)期末测试卷02-《期末真题分类汇编》(上海专用)
名校
解题方法
9 . 已知
与
共线,且向量
与向量
垂直,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d2807ecc81d36bee4048fa4d570895d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d657faa624a6d11f66d88076b186f60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/666c0d9c87bb3d5b4a22f11fa16068ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-06-08更新
|
545次组卷
|
6卷引用:人教B版(2019) 必修第三册 北京名校同步练习册 第八章 向量的数量积与三角恒等变换 8.1 向量的数量积 8.1.3 向量数量积的坐标运算
名校
解题方法
10 . 在
中,
是角
所对的边,且满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc365d7037709240df6c31f203bd4472.png)
(1)求角
的大小;
(2)设向量
,向量
,且向量
共线,判断
的形状.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc365d7037709240df6c31f203bd4472.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd5dc6811fcb593f567b6de83eadf074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaffc2597ad2297ee4eb400358de5212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2023-03-27更新
|
1797次组卷
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5卷引用:广东省广州市南武中学2022-2023学年高一下学期第一次月考数学试题