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 $\approx99 seconds.$
Physics: Principles with Applications (7th Edition)
by Giancoli, Douglas C.
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 - Page 43: 13
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