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 - Problems: 21b

Answer

$a_{avg}=0.00m/s^2$

Work Step by Step

When the man is standing still, he isn't moving. Therefore, his velocity is zero and his acceleration is zero. When the man is moving at a constant pace, his acceleration, or change in velocity, is zero. If his acceleration is always zero, the average acceleration must be zero.
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