Physics (10th Edition)

Published by Wiley
ISBN 10: 1118486897
ISBN 13: 978-1-11848-689-4

Chapter 5 - Dynamics of Uniform Circular Motion - Focus On Concepts - Page 136: 3


(b) is correct.

Work Step by Step

$$a_c=\frac{v^2}{r}$$ Both cars have the same $v$, but since the radius of the circular track at A $r_A$ is smaller than that at B $r_B$, the centripetal acceleration of car A is greater than car B. (b) is correct.
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