Answer
$28.3m$
Work Step by Step
The ice skater spins through 7.5 revolutions. Her arms are 60cm=0.6m long.
Hence, the distance covered by tips of fingers $=7.5\times2pi\times0.6=28.3m$
College Physics (7th Edition)
by Wilson, Jerry D.; Buffa, Anthony J.; Lou, Bo
Published by
Pearson
ISBN 10:
0-32160-183-1
ISBN 13:
978-0-32160-183-4
Chapter 7 - Circular Motion and Gravitation - Learning Path Questions and Exercises - Exercises - Page 261: 14
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