Vectors A and B are perpendicular and have the same nonzero magnitude (A = B). If C = A + B, what is C, the magnitude of C?

Principles of Physics: A Calculus-Based Text
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ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter1: Introduction And Vectors
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Vectors A and B are perpendicular and have the same nonzero magnitude (A = B). If C = A + B, what is C, the magnitude of C?

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Step 1

The magnitude of sum of two vectors is, 

C=A2+B2+2ABcosθ

Here, θ is angle between vectors A and B.

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