Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 3 - Vectors - Problems - Page 61: 75d

Answer

1

Work Step by Step

The dot product of two parallel unit vectors is $1$. Thus, we obtain: $\hat{w} \cdot \hat{w}=1$
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