Physics (10th Edition)

Published by Wiley
ISBN 10: 1118486897
ISBN 13: 978-1-11848-689-4

Chapter 9 - Rotational Dynamics - Problems - Page 246: 34



Work Step by Step

We have $$\sum\tau=I\alpha$$ $$\alpha=\frac{\sum\tau}{I}$$ The net torque $\sum\tau=1.8N.m$, and the blades' moment of inertia $I=0.22kg.m^2$. The angular acceleration of the blades is $$\alpha=8.18rad/s^2$$
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