Answer
19 m/s
Work Step by Step
Given:
Frequency $\nu=1200/min= \frac{1200}{60}s^{-1}=20.\,Hz$
Radius r= 0.15 m
Equation:
$v=2\pi r\nu$
Result:
$v= 2\times\pi\times 0.15\,m\times20.\,s^{-1}=19\,m/s$
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 4 - Motion in Two and Three Dimensions - Problems - Page 87: 58b
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