27 Oct 2021
Problem 12
Page 43
Section: Problems
Chapter 2: Describing motion: Kinematics in one dimension
Textbook ExpertVerified Tutor
27 Oct 2021
Given information
We are given that:-
The distance traveled is 
(
outgoing, return, keep 
significant figures)
The displacement 
is 
because the ending point is the same as the starting point.
Step-by-step explanation
Step 1.
To find the average speed, we need the distance traveled 
and the total time elapsed.
During the outgoing portion,
During the return portion,
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Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922
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