a and b please elec eng pls help Consider the vectors a = 6i +2j + 9k and b = 7i - 6j - 6k, where i, j, and k are mutually-perpendicular unit vectors forming a right-handed system.(a) Calculate(i) a + b.(ii) The magnitude la of a.(iii) The unit vector 6 in the direction of b.(iv) The scalar product a . b.(v) The vector product a x b.(vi) The direction cosines of a.(vii) The angle between a and b, expressed in degrees to two decimal places.

Consider the vectors a = 6i +2j+9k and b = 7i- 6j - 6k, where i, j, and k are mutually- perpendicular unit vectors forming a right-handed system. (a) Calculate (i) a +b. (ii) The magnitude |al of a. (iii) The unit vector b in the direction of b.

Consider the vectors a = 6i +2j+9k and b = 7i- 6j - 6k, where i, j, and k are mutually- perpendicular unit vectors forming a right-handed system. (a) Calculate (i) a +b. (ii) The magnitude |al of a. (iii) The unit vector b in the direction of b.

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 59P: At one point in space, the direction of the electric field vector Is given In the Cartesian system...

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Question

a and b please elec eng pls help

Consider the vectors a = 6i +2j + 9k and b = 7i - 6j - 6k, where i, j, and k are mutually-
perpendicular unit vectors forming a right-handed system.
(a) Calculate
(i) a + b.
(ii) The magnitude la of a.
(iii) The unit vector 6 in the direction of b.
(iv) The scalar product a . b.
(v) The vector product a x b.
(vi) The direction cosines of a.
(vii) The angle between a and b, expressed in degrees to two decimal places.

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