Essential University Physics: Volume 1 (4th Edition)

Published by Pearson
ISBN 10: 0-134-98855-8
ISBN 13: 978-0-13498-855-9

Chapter 11 - Section 11.3 - Angular Momentum - Example - Page 199: 11.1


$\vec{L} = mr^2 \vec{\omega}$

Work Step by Step

We know that $\omega r =v$ and that $\vec{\omega}$ is in the k direction. Thus: $\vec{L} = mvr\hat{k} = mr^2 \omega \hat{k} = mr^2 \vec{\omega}$
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