Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Part 1 - Multiple-Choice Practice Exam - Page 206: 6

Answer

4 km/hour.

Work Step by Step

$$\frac{2 km}{0.5 hr}= 4 \frac{km}{hr}$$ This is found on page 41.
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