Physics (10th Edition)

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

Chapter 8 - Rotational Kinematics - Check Your Understanding - Page 206: 11


The radius of the blade is $0.3m$

Work Step by Step

We have $$v_T=r\omega$$ $$r=\frac{v_T}{\omega}$$ It is given $v_T=32m/s$ and $\omega=17rev/s\times\Big(\frac{2\pi rad}{1rev}\Big)=106.8rad/s$ Therefore, $$r=0.3m$$
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