(H.W) We consider the vector: Ā = 3î + j + 2k(a) Find the length of A Ans. V14(b) Find the scalar product of the vector = 21 withA Ans.6(c) Find the cross product Ax č. Ans.4j-2k(d) Form the vector Ã.C. Ans. i +j + 2k

Here we are using the general formulas of vector analysis

(H.W) We consider the vector: A = 31 + j + 2k %3D (a) Find the length of A Ans. 14 (b) Find the scalar product of the vector č= 21 withA Ans.6 %3D (c) Find the cross product Āxč. Ans.4j- 2k (d) Form the vector A.C. Ans. i+j + 2k

(H.W) We consider the vector: A = 31 + j + 2k %3D (a) Find the length of A Ans. 14 (b) Find the scalar product of the vector č= 21 withA Ans.6 %3D (c) Find the cross product Āxč. Ans.4j- 2k (d) Form the vector A.C. Ans. i+j + 2k

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter2: Vectors

Section: Chapter Questions

Problem 24CQ: What is the dot product of a vector with the cross product that this vector has with another vector?

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Question

(H.W) We consider the vector: Ā = 3î + j + 2k
(a) Find the length of A Ans. V14
(b) Find the scalar product of the vector = 21 withA Ans.6
(c) Find the cross product Ax č. Ans.4j-2k
(d) Form the vector Ã.C. Ans. i +j + 2k

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