Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 2 - Motion Along a Straight Line - Questions: 5c

Answer

At points 3 and 5 the particle reverses its direction of travel.

Work Step by Step

In a velocity vs. time graph, points in the positive quadrant indicate a positive velocity, and points in the negative quadrant indicate a negative velocity. At both points 3 and 5, the graph crosses the x-axis, which means that the particle is reversing its dircetion.
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