Please solve the problem step by step with a clear solution Determine the centroid of the section shown below.12"4"4"4"20"6"

Step 1:Let's divide the given shape into two separate rectangles.The area of the rectangle at the…

Answered: Determine the centroid of the section…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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For a certain civil engineering system, it is sought to maximize the benefits, which is given by the expression: Z=3x+5y. The decision variables are x (the amount of resource type 1 to be used) and y (the amount of resource type 2 to be used). • The amount of resource type 1 should be at least 3 units. • The amount of resource type 2 should be at least 3 units. The difference between the amount of ● resource type 2 and the amount resource type 1 should not exceed 6. • The total amount of resource types 1 and 2 should not exceed 12 units. a. Identify the obiective function for this problem. b. Identify and write the constraints. c. Provide a sketch graph for the constraint set. d. Clearly show the feasible region. e. Label all extreme points (or vertices) of the feasible region and indicate their coordinates. f. Solve the optimization problem.
2. The details of showing that the corresponding dimensionless drag force (Ca) per unit length on the cylinder can be written as Ca = f(Re) Show the explanation
Please explain properly. I will like good answer.
The flow of glycerine (kinematic viscosity Vg = 5 x 104 m²/s) in an open channel is to be modeled in laboratory flume using water (vw) 10-6 m²/s) as the flowing fluid. If both gravity and viscosity are important, what should be the length scale (i.e, ratio of prototype to model dimensions) for maintaining dynamic similarity?
I need the answer as soon as possible
2 To decrease the fuel consumption of large tankers, it is desirable to find hull shapes which minimize the drag force. The drag force F is a function of speed U, sizel, fluid properties p, µ and gravity g. Model ships 1/64 actual size are to be tested in a towing tank. Find the changes in the other parameters required to maintain dynamic similarity. Justify your answer by showing which dimensionless parameters you are keeping constant. Note: It is obvious that you cannot change the value of g. Find the force on the real ship in terms of the force on the model. Comment briefly on physical grounds why the parameter changes you found above might be difficult to achieve in practice.
Identical bricks are used in the construction of a wall as seen in the figure. While the ones standing next to each other are attached to each other, no mortar is used between the rows. What can be the maximum value of x? a 1st row a 2nd row 3rd row 4th row
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The flow of glycerine (kinematic viscosity Vg = 5 x 104 m²/s) in an open channel is to be modeled in laboratory flume using water (vw) 10-6 m²/s) as the flowing fluid. If both gravity and viscosity are important, what should be the length scale (i.e, ratio of prototype to model dimensions) for maintaining dynamic similarity?
Give me the answer in three significant figures please, that's only two
Please consider te given choices
What are the functions of BAC?(At least 5 functions)

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Determine the centroid of the section shown below. 12" 4" 4" 4" 20" 6"