Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (3rd Edition)

Published by Pearson
ISBN 10: 0321740904
ISBN 13: 978-0-32174-090-8

Chapter 12 - Rotation of a Rigid Body - Exercises and Problems - Page 350: 38


(a) $\hat{j}$ (b) $\hat{j}$

Work Step by Step

(a) $(\hat{i}\times \hat{j})\times \hat{i}= (\hat{k})\times \hat{i}= \hat{j}$ (b) $\hat{i}\times (\hat{j}\times \hat{i})= \hat{i}\times (\hat{-k})= \hat{j}$
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