Answer
$$a_{r}=2.6 \mathrm{cm} / \mathrm{s}^{2}$$
Work Step by Step
Using Eq. $10-23,$ we get
$$a_{r}=\omega^{2} r=\left[\left.\frac{d \theta}{d t}\right|^{2} r=2.6 \mathrm{cm} / \mathrm{s}^{2}\right.$$
Fundamentals of Physics Extended (10th Edition)
by Halliday, David; Resnick, Robert; Walker, Jearl
Published by
Wiley
ISBN 10:
1-11823-072-8
ISBN 13:
978-1-11823-072-5
Chapter 10 - Rotation - Problems - Page 288: 20b
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