The components of any unit vector give the cosines of the angles that the vector makes to each of the Cartesian axes. Then we have for any vector r: rˆ = r|r| = (cos(α), cos(β))where α is the angle the vector r makes to the x-axis and β is the angle it...
百度试题 结果1 题目(1) Find the vector equation of a plane which is at 42 unit distance from the origin and which is normal to the vector 2i+ j-2k. 相关知识点: 试题来源: 解析 ·(2i+j-2k)=126 反馈 收藏
For the case of no charges or currents, that is, j = 0 and ρ = 0, and a homogeneous medium, Maxwell equations and the given identities can be applied in conjunction with the vector identity (5.12)∇×∇×E=∇∇·E−∇2E to obtain wave equations of the form (Born and Wo...
Class 12 MATHS Find the vector equation of a plane at a... Find the vector equation of a plane at a distance of 5 units from the origin and has ˆi as the unit vector normal to it. Video Solution free crash course Study and Revise for your exams Unlock now...
To rewrite (18) in terms of tensors completely, one needs to find an appropriate form for \(\bar{\xi }\psi \). If \(\xi \) is an eigenvector of \(\gamma ^5\) with eigenvalue \(+1\), $$\begin{aligned} \bar{\xi }\psi =\bar{\xi }\psi _-=-\psi _3 \xi _1^* -...
Answer to: Find the vector equation for the line of intersection of the planes x+4y-4z=-5 \enspace and \enspace x+5z=-2 By signing up, you'll get...
For QG 9, the Standing Commission has noted, in particular, the differences in the salary structure of degree jobs in the civil service and [...] legco.gov.hk 就資歷組別 9 而言, 薪常會注意到公務員與私營機構學位職位的薪俸結構 不同(即私 營機構的學位職位一般在數年後會有較大幅...
For this purpose, let the vector \mathfrak {e} \ne 0 generate the space (2.30). The minimization problem (2.28) has a minimization sequence \{h_k\}_{k \in \mathbb {N}}, satisfying all constraints. On the other hand, we have the representation (2.20) with operator \mathfrak {K}...
It is shown that additional physical information can be expected by extending these investigations to the Finsler-like metric proposed by Dirac in 1962 for the theory of the electron. 2015, Transilvania University of Brasov 1. All rights reserved. 展开 ...
where u=(u, v) is the velocity vector. A denotes the cross-sectional area of the duct/combustor. For the straight combustor with a constant cross-sectional area, A can eliminated from both sides of Eq. (1.54). However, for the choked combustor with a variant cross-sectional area, ∂...