Answer
$60\,\,rad$
Work Step by Step
Outer rims will cover same distance.
Larger wheel turns 4 revolutions. i.e. distance is $4\times2pi\times0.6=4.8pi \,m=15m$
Angle turned by small wheel =$\frac{15}{0.25}=60 rad$
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 260: 10
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