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MindTap Engineering for Garber/Hoel's Traffic and Highway Engineering, 5th Edition, [Instant Access], 1 term (6 months)
5th Edition
ISBN: 9781305581159
Author: Nicholas J. Garber; Lester A. Hoel
Publisher: Cengage Learning US
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Chapter 11, Problem 20P
To determine
The link-node diagram of the streets and highway within the neighborhood or campus.
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The authors of a paper presented a correlation analysis to investigate the relationship between maximal lactate level x and muscular endurance y. The accompanying data was read from a plot in the paper.
1,410 1,465 1,470 1,515 2,190
x
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1,190
1,240
1,290
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3.90 4.10 4.80 5.10 3.90
3.60
6.20
6.78
7.65
4.85
7.90
4.35 6.70
9.00
S
=
2,619,058.929, S
= 39.0467, S
xx
yy
7,588.061. A scatter plot shows a linear pattern.
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(a) Test to see whether there is a positive correlation between maximal lactate level and muscular endurance in the population from which this data was selected. (Use α = 0.05.)
State the appropriate null and alternative hypotheses.
O Ho: P = 0
H₂: p 0
Compute the value of the sample correlation coefficient, r. (Round your answer to four decimal places.)
Calculate the test statistic and determine the P-value. (Round your test statistic to one decimal place and your P-value to three decimal places.)
t
P-value =
State the conclusion in the problem…
Procedure:
1- Define your Cartesian system.
2- Identify the structure's supports and the type
of structure (2D) or 3D
3- If the structure has more than one element
dismember the structure and draw free body
diagram (show all actions and reactions) on
each element independently.
Tip: Pulley is a member
Rope is not an element because it is flexible,
but it shows the force (substitute it with a force)
If the Structure has one element draw free body
diagram for the element.
Tips to show forces on the free body diagram:
3.1- Determine the type of the supports
3.2- Show the unknown support reactions with
any assumed direction, BUT you cannot change
the assumed force direction once you decide.
3.3- In a common joint, you can decide on the
force direction in one element, however, in the
other one you need to follow the Newton's 3rd
law and show the opposite direction.
3.4- If you have multiple action forces in the
system, find force components for each force
independently.
Use Sin/Cos/Tan…
Procedure:
1- Define your Cartesian system.
2- Identify the structure's supports and the type
of structure (2D) or 3D
3- If the structure has more than one element
dismember the structure and draw free body
diagram (show all actions and reactions) on
each element independently.
Tip: Pulley is a member
Rope is not an element because it is flexible,
but it shows the force (substitute it with a force)
If the Structure has one element draw free body
diagram for the element.
Tips to show forces on the free body diagram:
3.1- Determine the type of the supports
3.2- Show the unknown support reactions with
any assumed direction, BUT you cannot change
the assumed force direction once you decide.
3.3- In a common joint, you can decide on the
force direction in one element, however, in the
other one you need to follow the Newton's 3rd
law and show the opposite direction.
3.4- If you have multiple action forces in the
system, find force components for each force
independently.
Use Sin/Cos/Tan…
Chapter 11 Solutions
MindTap Engineering for Garber/Hoel's Traffic and Highway Engineering, 5th Edition, [Instant Access], 1 term (6 months)
Ch. 11 - Prob. 1PCh. 11 - Prob. 2PCh. 11 - Prob. 3PCh. 11 - Prob. 4PCh. 11 - Prob. 5PCh. 11 - Prob. 6PCh. 11 - Prob. 7PCh. 11 - Prob. 8PCh. 11 - Prob. 9PCh. 11 - Prob. 10P
Ch. 11 - Prob. 11PCh. 11 - Prob. 12PCh. 11 - Prob. 13PCh. 11 - Prob. 14PCh. 11 - Prob. 15PCh. 11 - Prob. 16PCh. 11 - Prob. 17PCh. 11 - Prob. 18PCh. 11 - Prob. 19PCh. 11 - Prob. 20PCh. 11 - Prob. 21PCh. 11 - Prob. 22PCh. 11 - Prob. 23PCh. 11 - Prob. 24PCh. 11 - Prob. 25PCh. 11 - Prob. 26PCh. 11 - Prob. 27P
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