Explanation 1) Concept: Magnitude of the vectors can be found by performing simple mathematical operations on the given vectors using the law of vector addition. Magnitude can be found by using the formula for magnitude. 2) Formulae: i. A → + B → = A x + B x i → + A y + B y j → ii. A → - B → = A x - B x i → + A y - B y j → iii. A → = A x 2 + A y 2 3) Given: i. A → + B → = 6.0 i ^ + 1.0 j ^ ii. A → - B → = - 4.0 i ^ + 7.0 j ^ 4) Calculations: To determine the magnitude of A → , we need to find the A → first. We add the two equations in vectors as follows: A → + B → = 6.0 i ^ + 1.0 j ^ + A → - B → = - 4

Fundamentals of Physics, Volume 1, Chapter 1-20

10th Edition

ISBN: 9781118233764

Author: David Halliday

Publisher: WILEY

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Chapter 3, Problem 57P

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To find:

Magnitude of A→

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Fundamentals of Physics, Volume 1, Chapter 1-20

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