百度试题 结果1 题目 Given that the vectors and are parallel, find the value of x when r=(pmatrix) -12 9(pmatrix) and s=(pmatrix) 4 x(pmatrix) . 相关知识点: 试题来源: 解析 x=-3 反馈 收藏
Question: Whenuandvare nonzero vectors, span{u,v}contains only the line throughuand the origin, and the line throughvand the origin. Real Vector Space: The span of Two non zero vectors in vector spaceRnforn>1, c...
Rotate an object with a quaternion created from the Quaternion(arc_from: Vector3, arc_to Vector3) constructor where the vectors are parallel or nearly parallel and in the same direction, and the resulting rotation will be a 180 degree arc. Minimal reproduction project (MRP) quaternion-issue.zi...
Find the magnitude of the vectors→a=2ˆi+3ˆj−6ˆk. View Solution If→A=3ˆi+4ˆjand→B=7ˆi+24ˆj, the vector having the same magnitude as→Band parallel to→Ais : View Solution →Ais a vector with magnitude A, then the unit vectorˆAin the direction→Ais ...
(i) Two vectors u and v in the space are parallel if and only if u times v = 0. (ii) Given a vector u in the space, we True or false: If ||u + v||^2 = ||u||^2 + ||v||^2, then u and v are orthogonal vectors...
The unit vector parallel to the resultant of the vectors→A=ˆi+2ˆj−ˆkand→B=2ˆi+4ˆj−ˆkis View Solution The unit vector normal to the plane containing→a=(ˆi−ˆj−ˆk)and→b=(ˆi+ˆj+ˆk)is ...
Fig. 6. Most of the major principal stress vectors are steep or roughly vertical, showing that the slope is destressed in the horizontal direction. This contrasts with the situation during flexural toppling (Fig. 4), where the major principal stresses are parallel with the slo 例子重音发行显示...
如果齿轮间相啮合的齿与齿之间力过大，就会将油膜从齿间挤压出来。这会造成表层金属碎裂和剥落，噪声增大，运动不精确，直至报废。在力学研究中，我们主要关心力的大小、方向和作用点。Two equal and opposite forces acting along two non-coincident parallel straight lines in a body cannot be combined to obtain...
This article deals with the problem of statistical classification when the covariate vectors can have unequal dimensions. Representations of the theoretically best classifier are given. We also propose a number of procedures for constructing consistent classifiers. Both parametric and nonparametric situations...
Vectors describe amounts that extend in a direction and have a magnitude. Explore the definition, types, and examples of vectors and discover position vectors, unit vectors, and equal vs. parallel vectors. Related to this Question Explore our homework questions and answers...