The frequency bands that are used primarily for short-range distances include the following:
The upper portion of the VHF band (225 MHz to 300 MHz).The lower portion of the UHF band (300 MHz to 400 MHz).What is GSM?GSM is an abbreviation for global system for mobile communication and it can be defined as an open and digital cellular network technology that is designed and developed to be used for the transmission of both mobile voice and data services at the same time.
In Computer technology and networking, the global system for mobile communication (GSM) is typically designed and developed to operates at the following bands of frequencies:
850 MHz900 MHz1800 MHz1900 MHzIn this context, we can infer and logically deduce that the frequency bands that are used primarily for short-range distances such as PAN, include the following:
The upper portion of the VHF band (225 MHz to 300 MHz).The lower portion of the UHF band (300 MHz to 400 MHz).Read more on frequency bands here: https://brainly.com/question/19097094
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Empty disposable R-134a refrigerant containers should be: disposed of according to SAE J2196. evacuated into a recovery/recycling machine, flushed with R-152a refrigerant, flushed with R-134a refrigerant.
The leftover refrigerant MUST be collected before discarding an empty or almost empty disposable cylinder. Removing any residual refrigerant after attaching the cylinder to the recovery unit.
Disposable cylinders are steel single-use containers that cannot be filled again.
They have up to 50 pounds of refrigerant inside.
Disposable containers are made to not be filled again. A one-way valve, often known as a check valve, is used in these cylinders. The one-way valve stops anything from entering the container and only enables the refrigerant to go out.
Disposable cylinders' handles enclose the cylinder's valve. The handle, rather than the valve, is intended to absorb the majority of the force in the event that the cylinder is dropped. In this manner, it avoids damaging the valve and preventing the release of the refrigerant.
Only refrigerant is stored in disposable cylinders. Keep in mind that new refrigerant
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a rain-slick surface
A rain-slick surface is A: "most slippery at the beginning of a rain".
Rain slippery surfaces or roads can pose hazards to driving. Therefore precautions are necessary to be taken. These are some ways through which accidents on a rain-slick surface can be avoided:
Reduce speed because it takes longer to stop the vehicles on a slippery surface.Avoid sudden moves because they can cause a skid on slippery roads.Use both brakes because, on wet surfaces, the front brake is more effective.Avoid traveling via the worst slippery areas."
Complete question
a rain-slick surface:
A: most slippery at the beginning of a rain
B: most slippery after a rain
"
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Determine the Fourier series coefficients for each of the following discrete-time periodic signals. Plot the magnitude and phase of each set of coefficients ak. a. Each x[n] depicted in Figure P3.28 (a) - (c) b. x[n] = sin(2 pi n/3)cos(2 pi n/2) c. x[n] periodic with period 4 and x[n] = 1 - sin pi n/4 for 0 < n < 3 d. x[n] periodic with period 12 and x[n] = 1 - sin pi n/4 for 0 < n < 11
The coefficients of the Fourier series for each of the following (A) ak = 0, (B) ak = 2/(k), (C) ak = 4/(3k)cos(k/3), (D) ak = 1/2 - (2/k)sin(k/4)
Describe magnitude
A measure of a celestial object's luminance on an inverse logarithmic astronomical magnitude scale is called absolute magnitude (M). The absolute magnitude of an object is the apparent magnitude that the object would have if it were seen from a distance of precisely 10 parsecs (32.6 light-years), without the light of the object being extinguished (or dimmed) owing to absorption by interstellar materials and cosmic dust. The luminosities of the various objects can be directly compared to one another on a magnitude scale by putting them all theoretically at a fixed reference distance from the observer.
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2-49. The storage tank contains oil and water acting at the depths shown. Determine the resultant force that both of these liquids exert on the side ABC of the tank if the side has a width of 1.25 m. Also, determine the location of this resultant, measured from the top surface of the oil. Take Po = 900 kg/m3
The combined force of the oil and water on the tank's side ABC is 2742.3 N, and the position of the resulting force is 0.2 m.
Defining forceA force is an effect that can alter an object's motion according to physics. A motion of an object with mass to accelerate when it changes its velocity, for as when it moves away from repose. A way to describe force is as a push or a pull. A force is a vector quantity since it has both direction and magnitude. It is computed using the newton SI unit (N). Force is denoted by the letter F. (formerly P).
What are the 3 basic forces?The strong force, moderate force, electrostatic field, and gravity pull are the four basic forces operating in the universe.
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The beam is subjected to the loading shown. Determine the principal stress at point C.
Without further information about the beam, such as its material and cross-sectional shape, it is impossible to establish the major stress at point C.
Stress: What is it?
Stress is a physical term used in continuum mechanics to characterize the strength of the forces that lead to deformation. The type of stress is "force per unit area." Tensile stress is created when an item is forced apart by a force, causing elongation, which is also known as deformation and is comparable to how an elastic band expands. Compressive stress, however, is just what happens when the pressures cause an item to compress. It happens when a body is subjected to tension or compression forces. The body's cross-sectional area gets smaller the more force is applied.
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Determine the resultant internal loadings at cross sections at points E and F on the assembly.
A total internal loading of -3 kN is present at point E. A total internal loading of +3 kN is present at point F.
Cross section: What is it?
A cross - sectional area is the non-empty crossing of a solid body in three dimensions with a plane in mathematics and physics, or its counterpart in higher dimensions. Multiple parallel cross-sections are produced when an item is cut into different parts . Sometimes referred to as a contour line, the border of a cross-section in three dimensions that is equal to two of the directions, that is, parallel to the plane determined by these axes.
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what is the esr in the capacitor
Answer: Equivalent Series Resistance
Explanation:
Equivalent series resistance (ESR), also known as internal resistance, is a value representing the loss of useful energy in a simple electronic circuit consisting of a resistor and an ideal (perfect) capacitor.
_________are/is NOT a statistical tool for prescriptive analytics.
O Data mining
O Decision trees
O Optimization
O Simulation
Answer:
he u do in j eh g or something else for my T to go do for I do u do so he. hey it trjdu
If you use the range method with a single parameter of 50, what will be the range of integers included in the returned list? O a.0 through 49 Ob.O through 50 Oc 1 through 49 O d. 1 through 50
In Python, the range() function is used to generate a sequence of numbers. When called with a single parameter, range(n), it will generate a sequence of numbers from 0 up to, but not including, n. So, when you call range(50), it will return a list of integers from 0 to 49.
How to use range() function in python?
In Python, the range() function is used to generate a sequence of numbers. It can be used in the following ways:
range(stop): This generates a sequence of numbers from 0 up to, but not including, the value of stop. For example, range(5) will generate the list [0, 1, 2, 3, 4].range(start, stop): This generates a sequence of numbers from the value of start up to, but not including, the value of stop. For example, range(3, 8) will generate the list [3, 4, 5, 6, 7].range(start, stop, step): This generates a sequence of numbers from the value of start up to, but not including, the value of stop, with a step size of step. For example, range(2, 10, 2) will generate the list [2, 4, 6, 8].You can use the generated sequence of numbers in a for-loop, or by converting it to a list using list(range(...)) or using it as an iterator by using iter(range(...)).
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Determine the reactions at the supports at A, E, and 6-13. B of the compound beam.
It's crucial to determine a structure's stability and determinacy before selecting an analytical approach.
When an unknown internal member or unknown external reaction can be predicted using only the equilibrium circumstances, the structure is said to be determinate. An indeterminate structure is one whose unknown forces cannot be identified solely by the static equilibrium conditions and whose full analysis will also take into account the compatibility conditions of various structural components. Furthermore, for structures to perform the desired functions, they need to be stable. If a structure retains its geometrical shape in the face of outside influences, it is said to be stable.
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Explain three steps that engineers must take to achieve the creation of products and processes while limiting the consumption of raw materials.
(1) In chemical milling the metal is removed by the etching reaction of chemical solutions on the metal; although usually applied to metals, it can also be used on plastics and glass. (2) Electrochemical machining uses the principle of metal plating in reverse, as the work piece, instead of being built up by the plating process, is eaten away in a controlled manner by the action of the electrical current. (3) Electrical discharge machining and grinding erodes or cuts the metal by high-energy sparks or electrical discharges. And (4) laser machining cuts metallic or refractory materials with an intense beam of light from a laser.
arc welding
arc welding
Another further alteration may be “joining,” the process of permanently, sometimes only temporarily, bonding or attaching materials to each other. The term as used here includes welding, brazing, soldering, and adhesive and chemical bonding. In most joining processes, a bond between two pieces of material is produced by application of one or a combination of three kinds of energy: thermal, chemical, or mechanical. A bonding or filler material, the same as or different from the materials being joined, may or may not be used.
The properties of materials can be further altered by hot or cold treatments, by mechanical operations, and by exposure to some forms of radiation. The property modification is usually brought about by a change in the microscopic structure of the material. Both heat-treating, involving temperatures above room temperature, and cold-treating, involving temperatures below room temperature, are included in this category. Thermal treatment is a process in which the temperature of the material is raised or lowered to alter the properties of the original material. Most thermal-treating processes are based on time-temperature cycles that include three steps: heating, holding at temperature, and cooling. Although some thermal treatments are applicable to most families of materials, they are most widely used on metals.
Finally, “finishing” processes may be employed to modify the surfaces of materials in order to protect the material against deterioration by corrosion, oxidation, mechanical wear, or deformation; to provide special surface characteristics such as reflectivity, electrical conductivity or insulation, or bearing properties; or to give the material special decorative effects. There are two broad groups of finishing processes, those in which a coating, usually of a different material, is applied to the surface and those in which the surface of the material is changed by chemical action, heat, or mechanical force. The first group includes metallic coating, such as electroplating; organic finishing, such as painting; and porcelain enameling.
Show that ALLDFA is in P.
AllDFA is in P because it is a deterministic finite automaton (DFA), which is a type of algorithm that runs in polynomial time. This means that the time complexity of an AllDFA algorithm is polynomial in the size of the input.
To prove this, we must show that the time complexity of AllDFA is bounded by a polynomial of the size of the input. Let n be the size of the input. Then, the time complexity of AllDFA can be expressed as a function of n, T(n).
T(n) = c * n^k,
where c is a constant and k is the degree of the polynomial.
To prove that AllDFA is in P, we must show that k ≤ 2. To do this, we can analyze the AllDFA algorithm and show that it only performs a polynomial number of operations.
First, let's consider the input. AllDFA takes in a string of length n. This means that the algorithm will have to perform a polynomial number of operations in order to parse through the string. Specifically, the algorithm will need to perform n operations in order to read the entire string.
Finally, let's consider the acceptance state. AllDFA uses an acceptance state to determine whether or not the input string is accepted. This requires the algorithm to perform a polynomial number of operations in order to check if the current state is the acceptance state.
Specifically, the algorithm will need to perform m operations in order to check the current state.
Overall, the AllDFA algorithm performs a polynomial number of operations. Specifically, the algorithm performs n + m*n + m operations. This can be expressed as a polynomial of degree 2:
T(n) = c * n^2,
where c is a constant.
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Why should you pursue a Diploma in Electronics and Communication Engineering?
A Diploma in Electronics and Communication Engineering can provide a strong foundation in electronic and communication technologies, which are critical for many industries including telecommunications, computer engineering, and the internet of things (IoT). Graduates with this diploma may find employment in various roles such as maintenance, installation, and repair of electronic systems, and in research and development of new technologies.
There are several reasons why someone might pursue a Diploma in Electronics and Communication Engineering. Some of the key benefits include:
Career opportunities: Graduates of this program will have a wide range of career opportunities in various industries such as telecommunications, computer networks, consumer electronics, and aerospace.High demand: The field of electronics and communication engineering is in high demand, as technology continues to advance and the need for skilled professionals in this area increases.Financial stability: Engineers are in high demand and can command high salaries.Learn more Diploma in Electronics and Communication Engineering about : https://brainly.com/question/18875360
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Consider the circuit shown in (Figure 1). Suppose that ib = 60 A Determine the voltage vQ for the circuit. Express your answer to three significant figures and include the appropriate units.
The voltage vQ for the circuit. The three significant figures and include the appropriate units is VQ = 24.0 V.
What is voltage?
Voltage is a measure of electrical potential energy per unit charge. It is denoted by the symbol V and is measured in volts (V). Voltage is the electrical force that moves electrons through the circuit, creating an electric current. It is calculated by dividing the energy (in joules) by the charge (in Coulombs). Voltage can be either positive or negative depending on the direction of the current. In a direct current (DC) circuit, voltage is constant, whereas in an alternating current (AC) circuit, voltage varies. Voltage is also used to measure the potential difference between two points in a circuit, known as the electromotive force (EMF).
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All major PC operating systems feature a graphical user interface.
O Yes
O No
Yes, according to the question, all major PC operating systems feature a graphical user interface.
What is operating system?
An operating system (OS) is a type of software that manages the hardware and software resources of a computer. It is responsible for the management and coordination of activities and the sharing of the resources of the computer. It acts as an intermediary between the user of a computer and the computer hardware. The operating system allows the user to interact with the hardware and execute programs. It provides a platform on which the applications can run. It provides services such as memory management, device management, task scheduling, security, networking, and file system management. It also provides the user interface, which allows the user to interact with the system.
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1. Name three current problems in your life that could be solved through an algorithmic process. Explain why each of these problems is algorithmic in nature.
As a supervised learning algorithm for problem classification, the Decision Tree algorithm is one of the most widely utilized in machine learning today.
Which problems can be solved by algorithmic processes?Whether a problem is logical, mathematical, or complex in nature, algorithms can be created to solve it. As an illustration, consider sorting algorithms, depth-first search, and traveling salespeople. The algorithm, however, would arrive at a finite solution after a certain number of steps before coming to an end. Algorithms can be used to describe typical daily tasks. An algorithm for preparing a specific cuisine, for instance, might be thought of as a recipe.
Steps 1-3 outline the algorithm. The amounts of each component that are mentioned, together with the type of pan and desired topping, are our inputs. A series of procedures known as an algorithm are used to solve issues or carry out tasks. A typical illustration of an algorithm is a recipe, which is a set of detailed directions for making a dish or meal.
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The marginal revenue of the second unit of output in Exhibit 9-2 is: a. 20. b. 30. c. 10. d. 40. e. 60.
In Exhibit 9-2, the marginal income for the second unit of output is 10.
What is Revenue?
Revenue in accounting refers to the total sum of money made through the sale of products and services that are essential to the company's core activities. Sales or turnover are other terms used to refer to commercial revenue. Some organizations get money via royalties, interest, or other fees. As in "Last year, Company X had revenue totaling $42 million," the term "revenue" can refer to either income or the sum of money generated during a specific period of time. The general definition of profits or net income is total revenue less total expenses for a specific time period.
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The distribution of soil loading on the bottom of a building slab is shown.
a) Replace this loading by an equivalent resultant force.
b) Specify its location, measured from point O
The fundamental principle is that two force systems are equal if they produce the same resultant force and resultant moment.
A force can be moved along its line of action to create a new force system that is comparable to the original force system. The Pythagorean theorem is used to calculate the resultant force when two forces are acting perpendicularly to one another. The formula for the resultant force is FR = F1 + F2 + F3. Where. The three forces that are acting on an object in the same direction are F1, F2, and F3. In other words, the forces of action and reaction work in tandem. Therefore, the outcome is zero if action and reaction are applied to the same body.
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A residential AC power supply is often represented by a
A. horizontal line.
B. sine wave.
C. triangular-shaped wave.
D. set of two parallel lines.
D. set of two parallel lines-The alternating current (DC) is a continuous and rapidly reversing current and changes its direction constantly from the power source.
What does an AC power source supply?widely employed both at home and at the office. The term "alternating current" (AC) refers to a current that is constantly changing direction. The UK's mains supply of electricity, which is an AC supply, has a voltage of roughly 230 volts. Its frequency is 50Hz (50 hertz), which indicates that it reverses direction 50 times every second. The AC voltage ranges from 100 to 240 V globally. Hertz refers to the rate of direction change, which is typically 50–60 times per second (Hz). 50 Hz and 60 Hz are the two most typical frequencies. We use a variety of AC-powered domestic appliances, including refrigerators, fans, pumps, and toaster ovens.To learn more about AC power refer to:
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Determine the magnitude of the force which member CD exerts on the pin at C.
As a result, the force exerted by member CD on pin C is
F^ cd=143.595 N at ∠50 with the horizontal
or (40 with the vertical )
The force exerted by member CD on pic at C
Consider point B for a moment
∑M^ b=0
-220(0.39)+F^ cd cos 40(0.39+0.39)=0
F^ cd=143.595 N
Therefore: F^ cd=143.595 N at ∠50 with the horizontal
or (40 with the vertical )
The magnitude of the force is the number that represents the force's strength.
Assume the force is 10 N in the direction of the east.
The direction is indicated by 'towards east,' and the magnitude is indicated by '10'.
Magnitude is thus the 'value' or 'amount' of any physical quantity. It is always a scalar value.
Formula of Magnitude of Force. Magnitude of force formula =
F (N) = m (kg)x a(m/s^ 2)
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What type of plate boundary is illustrated in the image?
What is the movement of one plate below another
called?
One of the converging plates will move beneath the other, a process known as subduction.
What do you mean by subduction ?the act or process in plate tectonics whereby one crustal plate's edge detaches from another's edge. The Pacific and Juan de Fuca plates are slamming beneath the North American Plate at the Cascadia Subduction Zone and Southern Alaska. When two plates clash at a convergent boundary, subduction occurs when one plate is forced beneath the other and back into the interior of the Earth. Convergence does not always result in subduction. When continents collide, continental rocks collapse but remain at the surface because they are too buoyant to be driven downward.
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Answer:
What is the movement of one plate below another called?
✔ subduction
Explanation:
During the packaging process, a can of soda of mass 0.4 kg moves down a surface inclined 20 degrees relative to the horizontal. The can is acted upon by a constant force R parallel to the incline (and directed down the slope) and by the force of gravity. The magnitude of the constant force R is 0.05 N. Ignoring friction between the can and the inclined surface, determine the can's change in kinetic energy, in J, and whether it is increasing or decreasing. If friction between the can and the inclined surface were significant, what effect would that have on the value of the change in kinetic energy? Let g=9.8 m/s^2
(The change in height from the initial location to the final location of the can is 1.5 meters)
Effect would that have on the value of The increase in kinetic energy = ΔE =[ 1.392 -μ(3.69)] x 4.38 =6.10 - 16.16μ
given:
mass = 0.4 kg
Constant force, R = 0.05 N
Incline angle, θ = 200
Solution:
The ner force acting in the body along the direction of the incline are = R + mg sinθ = 0.05 + (0.4)(9.81)(sin 200) =1.392 N
The length of the incline is (1.5/ sin 200 ) = 4.38 m
The work done by the net force is equal to the increase in kinetic energy of the body
ΔE = Fx s = 1.392 x 4.38 = 6.10 J
When friction is taken into account we get,
F = R + mg sinθ - μmg cosθ = 0.05 + (0.4)(9.81)(sin 20) - μ(0.4)(9.81)(cos 20) = 1.392 -μ(3.69) N
The increase in kinetic energy = ΔE =[ 1.392 -μ(3.69)] x 4.38 =6.10 - 16.16μ
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Calculate the mesh currents i_1 and i_2 in Fig. 3.92.
Therefore, from equation 1 and 2.
I^ 1=1.21A
I^ 2=0.17A
Step by step explanation:
Apply Mesh Analysis
Mesh-1
3i^ 1+8(I^ 1-i^2)=12
11i^ 1-8i^2=12....(1)
MESH-2
6i^ 2+8(i^2-i^1)+2v^ 0=0
=-8i^ 1 +14i^ 2=-2v^ 0
=from loop1 v^ 0=3i^ 1
=-8i ^1+14i^ 2=-6i^1
=-2i^ 1+14i^ 2=0...(2)
=11i^ 1-8i^ 2=12..(1)
from equation 1 and 2.
I^ 1=1.21A
I^ 2=0.17A
Mesh analysis:
(also known as the mesh current method) is a method for solving planar circuits for currents (and, indirectly, voltages) at any point in an electrical circuit. Planar circuits are those that can be drawn on a flat surface with no wires crossing.
The mesh current method begins with identifying and labelling the current "loops" within the circuit. To accomplish this, we must find at least one loop current that passes through each component in the circuit.
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The roller coaster car having a mass m is released from rest at point A Neglect friction (Figure 1) Part A
It the track is to be designer so that car does not leave it at B determine the required height h Express your answer to three Significant figures and Include the appropriate units. Part B
Find the speed of the car when it roaches point C. Express your answer to three significant figures and include the appropriate units.
The car's speed as it approaches the spot Part B's v = 14.3 m/s and Part A's h = 8.94 metres.
What is speed?
The speed of an object, also known as v in kinematics, is the size of the change in that object's position over time or the size of the change in that object's position per unit of time, making it a scalar quantity. The instantaneous speed is the upper limit of the average speed as the duration of the time interval approaches zero. The average speed of an item in a period of time is the distance travelled by the object divided by the duration of the period. Velocity and speed are not the same thing.
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Electronic monitoring includes ____ systems.
Answer:
closed -circuit television
Electronic monitoring encompasses a variety of systems, such as GPS tracking, RFID tagging, and surveillance cameras. These technologies allow for real-time monitoring and data collection, enabling organizations to track the movement and behavior of individuals or assets. Additionally, electronic monitoring can also include biometric systems, such as fingerprint or facial recognition, for added security and identification purposes.
A hydrostatic tube test kit will ________.
1) determine if a tube leaks
2) determine if there is water in the system
3) remove water from a machine
4) vent water
Answer:
hi to try to you too r g he o to go Friday to f
A hydrostatic tube test kit will determine if a tube leaks.
What is Hydrostatic Tube?The practice of exposing a material to a regulated pressure and evaluating how it responds to the pressure is known as hydrostatic testing.
The test is employed for a variety of purposes, including checking that equipment is in good working order before to use, establishing if an object can sustain different weights or stresses, and finding leaks in hydraulic systems or pipelines.
Hydrostatic tests are performed by pressurizing an object while it is filled with water to check for strength and leaks. One of the most crucial justifications for conducting this kind of testing on a regular basis is the capability to identify leaks in an item.
Therefore, A hydrostatic tube test kit will determine if a tube leaks.
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Consider the following class definition. public class BoolTest { private int one; public BoolTest(int newOne) { one = newOne; } public int getOne() { return one; } public boolean isGreater (BoolTest other) ܕܝܢ /* missing code */ } } The isGreater method is intended to return true if the value of one for this BoolTest object is greater than the value of one for the BoolTest parameter other, and false otherwise. The following code segments have been proposed to replace /* missing code */. I. return one > other.one; II. return one > other.getOne(); III. return getOne() > other.one; Which of the following replacements for /* missing code */ can be used so that isGreater will work as intended? A I only B Il only с III only I and II only E I, II and III
I, II AND III are the right /* missing code */ that can be used so that isGreater will work as intended. Hence, option E is correct.
What is missing code?Computer coding, also referred to as computer programming, is a method of instructing a computer on what to do.
Coding is a method of telling the computer how it should behave in general - what actions it should take and how to do them effectively and efficiently.
Coding is the process of creating and then giving a detailed set of instructions to a computer that must be carefully executed in sequential order.
return one>other.one;
In this case, we are comparing other object values in the class BoolTest. As a result, it works flawlessly.
return one > other.getOne;
We are comparing values here by calling another object's public function. As a result, it returns the value. This also works flawlessly.
return getOne() > other.one;
In this case, we're calling a function to get the value of the first object and comparing it to the values of other objects in the class. As a result, this also works perfectly.
Thus, I, II AND III are the right /* missing code */ that can be used so that isGreater will work as intended.
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List the point coordinates for all atoms that are associated with the FCC unit cell. Define all symbols that you use.
The FCC unit cell is a cube with lattice points at each corner. The points can be defined by: (0, 0, 0), (0.5, 0.5, 0), (0.5, 0, 0.5), (0, 0.5, 0.5), (0, 0, 0.5), (0.5, 0, 0), (0, 0.5, 0), (0.5, 0.5, 0.5).
What is FCC unit cell?
FCC unit cell is a three-dimensional representation of a crystal lattice, consisting of a unit cell which is repeated in all directions. It is one of the most common types of unit cells and is also known as a cubic unit cell. The unit cell is a cube with atoms located at the corners and at the center of each face. These atoms form a lattice pattern which is repeated in all directions. The FCC unit cell has a lattice constant, or unit cell edge length, of a=4R, where R is the atomic radius of the atoms in the lattice. The FCC unit cell has a total of four lattice points per unit cell, which is why it is known as a body-centered cubic (BCC) unit cell. The FCC unit cell is widely used in materials science to describe the structure of many metallic and non-metallic materials.
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Why should a real source NOT be modeled as an ideal current source in series with a resistor? A) because in such a model, output current is not a function of output voltage
B) because a real source should be modeled using an ideal voltage source, not an ideal current source
C) because an ideal current source cannot be in series with a resistor
D) because the resistance should be a function of the current, not vice versa
Genuine source NOT be treated as an ideal current source coupled to a resistor since the output current in that case is not a function of the output voltage.
The voltage across an ideal current source is arbitrary, and the ideal current source has unlimited internal resistance.
There won't be any loading effect caused by the source resistor if a genuine source is modelled as an ideal current source connected in series with a load and a resistor. This is because the source current will flow through the series arrangement of the load and the source resistor.
As a result, the output current flowing through the load will always match the source current.
As a result, the output current won't depend on the output voltage.
Therefore, choice A is the best one.
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If the applied shear force V = 18 kip, determine the maximum shear stress in the member.
The maximum shear stress in the member is 4.48 Ksi if the applied shear force V = 18 kip.
y = 0.5*1*5+ 2[2*1*2] / 1*5 + 2*1*2
= 1.1667 in
I = 1/12 5*1^3 + 5*1*(1.1667-0.5)^2 + 2*(1/12)*1*2^3 + 2*1*2*(2-1.1667)
= 6.75 in^4
Qmax = ∑ya = 2(0.91665)(1.8333)(1)
= 3.36111 in^3
Tmax = VQmax / It
= 18(3.3611)/(6.75(3)(1)
= 4.48 Ksi
The difference between the primary stresses divided by one-half is the maximum shear stress. Note that the primary planes equation, 2p, produces two angles between 0° and 360°.
This theory is also applicable to triaxial states of stress, where it is predicted that yielding would take place anytime the yield stress is equal to half the algebraic difference between the highest and minimum stress. The maximum shear stress is therefore (1 > 3)/2 for a triaxial condition of stress where 1 > 2 > 3.
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