Problem 2. Fay and Knapp measured the amount of CO2 assimilated by the upper leaves of soybean plants over a 30-minute period when the plant was grown under normal and then under drought conditions. During the 30-minute experiment, the soybean plant is initially in full sunlight. After 8 to 10 minutes, the plant is shaded for approximately 8 to 10 minutes, after which it is returned to full sunlight. Below are graphs showing the assimilation rate of CO2 in μmol per m² of leaf area per second over the full experiment for the soybean plant under normal conditions (shown in blue, top curve) and drought conditions (shown in red, bottom curve). The assimilation rate was sampled roughly at 1-minute intervals. 20 15 10 0 300 600 900 Time (seconds) b) What does the total area represent? 1200 1500 L 1800 a) Use a combination of rectangles and trapezoids to estimate the area under each curve for the first 20 minutes of the experiment. c) When the areas under each curve are compared, what conclusions can be drawn from the two experiments?
Problem 2. Fay and Knapp measured the amount of CO2 assimilated by the upper leaves of soybean plants over a 30-minute period when the plant was grown under normal and then under drought conditions. During the 30-minute experiment, the soybean plant is initially in full sunlight. After 8 to 10 minutes, the plant is shaded for approximately 8 to 10 minutes, after which it is returned to full sunlight. Below are graphs showing the assimilation rate of CO2 in μmol per m² of leaf area per second over the full experiment for the soybean plant under normal conditions (shown in blue, top curve) and drought conditions (shown in red, bottom curve). The assimilation rate was sampled roughly at 1-minute intervals. 20 15 10 0 300 600 900 Time (seconds) b) What does the total area represent? 1200 1500 L 1800 a) Use a combination of rectangles and trapezoids to estimate the area under each curve for the first 20 minutes of the experiment. c) When the areas under each curve are compared, what conclusions can be drawn from the two experiments?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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please help with parts a-c
Transcribed Image Text:Problem 2. Fay and Knapp measured the amount of CO2 assimilated by the upper leaves
of soybean plants over a 30-minute period when the plant was grown under normal and then
under drought conditions. During the 30-minute experiment, the soybean plant is initially in
full sunlight. After 8 to 10 minutes, the plant is shaded for approximately 8 to 10 minutes, after
which it is returned to full sunlight. Below are graphs showing the assimilation rate of CO2
in μmol per m² of leaf area per second over the full experiment for the soybean plant under
normal conditions (shown in blue, top curve) and drought conditions (shown in red, bottom
curve). The assimilation rate was sampled roughly at 1-minute intervals.
20
15
10
0
300
600
900
Time (seconds)
b) What does the total area represent?
1200
1500
L
1800
a) Use a combination of rectangles and trapezoids to estimate the area under each curve for the
first 20 minutes of the experiment.
c) When the areas under each curve are compared, what conclusions can be drawn from the
two experiments?
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