What is the magnitude of the runner's displacement?  a. 270 m  b. 0 m c. 600 m  d. 90 m

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter2: Vectors
Section: Chapter Questions
Problem 9CQ: When a 10,000-rn runner competing on a 400-rn track crosses the finish line, what is the runner’s...
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question : What is the magnitude of the runner's displacement? 

a. 270 m 

b. 0 m

c. 600 m 

d. 90 m

 

X
90 m
7
400 m
N
A runner completes 1 and a flaps around a 400 meter track, so she
does not end at the same place she started, as shown by the two x
marks in the picture above. The straight line distance between her
start and end position is 90 meters. This sprint took her 2 minutes.
Transcribed Image Text:X 90 m 7 400 m N A runner completes 1 and a flaps around a 400 meter track, so she does not end at the same place she started, as shown by the two x marks in the picture above. The straight line distance between her start and end position is 90 meters. This sprint took her 2 minutes.
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