Two vectors are defined as follows: A (vector) = (3.8 m) x and B (vector) = (2.1

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Two vectors are defined as follows: A(vector)= (–3.8 m) x̂ and B(vector) = (2.1 m)ŷ.

(a) Is the magnitude of A(vector) + B(vector) greater than, less than, or equal to the magnitude of A(vector) – B(vector) ?

(b) Choose the best explanation from among the following:

I. A vector sum is always greater than a vector difference.

II. A(vector) + B(vector) and A(vector) – B(vector) produce similar triangles because A(vector) is perpendicular to B(vector) .

III. The vector – B is in the same direction as A(vector) .

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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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Question Posted: Aug 31, 2017 11:04 AM

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Two vectors are defined as follows: A (vector) = (3.8 m) x and B (vector) = (2.1

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Use the concepts of vector addition and subtraction to answer the ...View the full answer

Physics

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