Answer
$\frac{v}{2}$
Work Step by Step
The speed at the top of the tire incorporates both the translational motion and the rotational motion. Translational motion accounts for half the motion, so the actual speed is equal to $\frac{v}{2}$.
Physics Technology Update (4th Edition)
by Walker, James S.
Published by
Pearson
ISBN 10:
0-32190-308-0
ISBN 13:
978-0-32190-308-2
Chapter 10 - Rotational Kinematics and Energy - Problems and Conceptual Exercises - Page 326: 46
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