College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Chapter 1 - Measurement and Problem Solving - Learning Path Questions and Exercises - Conceptual Questions - Page 27: 24


No, the car does not exceed the speed limit in this case.

Work Step by Step

Conversion factor: 1 mile = 1.609 km. The car traveling at $30\,\mathrm{km/h}$ has a speed of $18.64\,\mathrm{mi/h}$, which is less than the speed limit of $25\,\mathrm{mi/h}$. Therefore, the statement that the car exceeds the speed limit is wrong.
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