Answer
a. 0.313 m/s.
b. 1.56 m/s.
Work Step by Step
a. The average velocity is the displacement (+20.0 m) divided by the elapsed time (64.0 s).
b. The average speed is distance walked (100.0 m) divided by the elapsed time (64.0 s).
University Physics with Modern Physics (14th Edition)
by Young, Hugh D.; Freedman, Roger A.
Published by
Pearson
ISBN 10:
0321973615
ISBN 13:
978-0-32197-361-0
Chapter 2 - Motion Along a Straight Line - Problems - Exercises - Page 58: 2.5
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