Calculate the average acceleration (magnitude and sign) of the runner during segments 4 and 5. a4 = m/s? ās = m/s?

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 32P: A student drives a moped along a straight road as described by the velocitytime graph in Figure...
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Calculate the average acceleration (magnitude and sign) of the runner during segments 4 and 5.
a4
5
m/s?
m/s?
Transcribed Image Text:Calculate the average acceleration (magnitude and sign) of the runner during segments 4 and 5. a4 5 m/s? m/s?
A runner is training for an upcoming road race and sets out for a weekend endurance run. In order to track the pace of the run,
the runner records time splits for the entire period. This allows the runner to produce the pictured velocity versus time graph.
The run is broken into six segments.
4.75
4.50 -
4.25 -
4.00 -
3.75 -
3.50 -
3
2.
6.
3.25
1
3.00
2.75
2.50 -
2.25
2.00 +
0 5
10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105
Time (min)
The average acceleration of the runner during segment 1 is
zero.
O positive.
negative.
flat.
Velocity (m/s)
4.
Transcribed Image Text:A runner is training for an upcoming road race and sets out for a weekend endurance run. In order to track the pace of the run, the runner records time splits for the entire period. This allows the runner to produce the pictured velocity versus time graph. The run is broken into six segments. 4.75 4.50 - 4.25 - 4.00 - 3.75 - 3.50 - 3 2. 6. 3.25 1 3.00 2.75 2.50 - 2.25 2.00 + 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 Time (min) The average acceleration of the runner during segment 1 is zero. O positive. negative. flat. Velocity (m/s) 4.
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