x Person 2 Person 1 (a) Person 1 is moving at constant speed all the time. Person 2 is slowing down all the time. (b) Person 1 is at rest all the time. Person 2 is initially slowing down, then starts to speed up. (c) Person 1 is moving at constant speed all the time. Person 2 is initially speeding up, then starts to slow down. (d) Person 1 is at rest. Person 2 is speeding up all the time. (e) Not enough information from the plots to infer the nature of the motion of each person.

Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter2: Motion In One Dimension
Section: Chapter Questions
Problem 7P: A person takes a trip, driving with a constant speed of 89.5 km/h, except for a 22.0-min rest stop....
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The trajectories of Person 1 and Person 2 are drawn versus time in the figure below. Which of the following(s) is(are) true? 

x
Person 2
Person 1
(a) Person 1 is moving at constant speed all the time. Person 2 is slowing down all the time.
(b) Person 1 is at rest all the time. Person 2 is initially slowing down, then starts to speed up.
(c) Person 1 is moving at constant speed all the time. Person 2 is initially speeding up, then starts to
slow down.
(d) Person 1 is at rest. Person 2 is speeding up all the time.
(e) Not enough information from the plots to infer the nature of the motion of each person.
Transcribed Image Text:x Person 2 Person 1 (a) Person 1 is moving at constant speed all the time. Person 2 is slowing down all the time. (b) Person 1 is at rest all the time. Person 2 is initially slowing down, then starts to speed up. (c) Person 1 is moving at constant speed all the time. Person 2 is initially speeding up, then starts to slow down. (d) Person 1 is at rest. Person 2 is speeding up all the time. (e) Not enough information from the plots to infer the nature of the motion of each person.
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