Calculus (3rd Edition)

Published by W. H. Freeman
ISBN 10: 1464125260
ISBN 13: 978-1-46412-526-3

Chapter 14 - Calculus of Vector-Valued Functions - 14.4 Curvature - Preliminary Questions - Page 734: 2

Answer

$\frac{1}{4}$.

Work Step by Step

Since the curvature of a circle of radius $r$ is $\frac{1}{r}$, then the curvature of a circle of radius $4$ is $\frac{1}{4}$.
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