Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 2 - Describing Motion: Kinematics in One Dimension - Problems: 13

Answer

0.027 hours.

Work Step by Step

The locomotives meet in the middle, so they each travel 4.25 km. Find the time of travel from the average speed. $t = \frac{(4.25 km)}{(155 km/h)} = 0.027 hr$ or $\approx99 seconds.$
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