The access control scheme that could be used in order to authorize a user if he has a specific attribute and denied if they don't, then the access control scheme will be a) attribute-based access control.
In the field of computers and technology, attribute-based access control can be described as a control feature in which those users are authorized for access if they have a particular attribute. On the other hand, such users that do not have the particular attribute will not be granted access.
When working as a security administrator, attribute-based access control can be formulated by the administrator if he wants to give authorized access to certain users.
Although a part of your question is missing, you might be referring to this question:
You are working as a security administrator. Your enterprise has asked you to choose an access control scheme in which a user is authorized to access the resources if the user has a specific attribute and denied if they don't. Which of the following access control schemes should you choose?
a) Rule-based access control
b) attribute-based access control
c) ethernet-based access control
d) none of the above
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Explain three examples of workshop
Answer:
Invitational Workshop
An invitational workshop is what many of us know. It’s what Lucy Calkins has made famous through the Reading and Writing Workshop. In the invitational workshop, the instructor usually hosts a minilesson. This minilesson is intended to meet the needs of the majority of children in the classroom. Afterward, the children are “invited” to employ the skills or strategy for the minilesson during workshop time, where students work independently or in small groups
Explanation:
Answer:
Here are 5 examples:
Invitational WorkshopConstructivist WorkshopReflection WorkshopConferencing WorkshopChoice WorkshopExplanation:
I hope this helps!
This material is considered flammable. A paint B glue C Oil D ALL of the above
Answer:
Explanation:
Generally speaking, flammable liquids will ignite (catch on fire) and burn easily at normal working temperatures. ... Fuels and many common products like solvents, thinners, cleaners, adhesives, paints, waxes and polishes may be flammable or combustible liquids.
The material which is considered flammable is: A. paint.
A chemical property can be defined as the property of a chemical compound (material) that can be observed and is measurable during a chemical reaction.
In Science, some examples of the chemical properties of a material (substance) include the following;
TarnishingRustingReactivityFlammabilityFlammability refers to the ability of a material to support combustion or burn continuously in the presence of air. An example of a material which is considered to be flammable is paint because it contains a high level of solvents.
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a. Write chemical equation for first step of a Born - Haber cycle.
Express your answer as a chemical equation. Identify all of the phases in your answer.
b. Write chemical equation for second step of a Born - Haber cycle.
Express your answer as a chemical equation. Identify all of the phases in your answer.
c. Write chemical equation for third step of a Born - Haber cycle.
Express your answer as a chemical equation. Identify all of the phases in your answer.
d. Write chemical equation for fourth step of a Born - Haber cycle.
Express your answer as a chemical equation. Identify all of the phases in your answer.
e. Write chemical equation for fifth step of a Born - Haber cycle.
Express your answer as a chemical equation. Identify all of the phases in your answer.
a. The first step of a Born-Haber cycle involves the formation of a metal cation. Here is an example equation for the first step, using sodium (Na) as an example:
Na (s) → Na+ (g)
In this equation, Na (s) represents solid sodium, and Na+ (g) represents a gaseous sodium cation.
How to write the equationsb. The second step of a Born-Haber cycle involves the ionization of a non-metal atom. Let's use chlorine (Cl) as an example:
½ Cl2 (g) → Cl (g)
In this equation, ½ Cl2 (g) represents gaseous chlorine molecules, and Cl (g) represents gaseous chlorine atoms.
c. The third step of a Born-Haber cycle involves the dissociation of a metal oxide. Let's consider the dissociation of sodium oxide (Na2O):
Na2O (s) → 2 Na (s) + ½ O2 (g)
In this equation, Na2O (s) represents solid sodium oxide, 2 Na (s) represents two solid sodium atoms, and ½ O2 (g) represents gaseous oxygen molecules.
d. The fourth step of a Born-Haber cycle involves the formation of an ionic compound. Let's consider the formation of sodium chloride (NaCl):
Na (g) + ½ Cl2 (g) → NaCl (s)
In this equation, Na (g) represents gaseous sodium atoms, ½ Cl2 (g) represents gaseous chlorine molecules, and NaCl (s) represents solid sodium chloride.
e. The fifth step of a Born-Haber cycle involves the lattice energy of an ionic compound. Using sodium chloride as an example:
Na+ (g) + Cl- (g) → NaCl (s)
In this equation, Na+ (g) represents gaseous sodium cations, Cl- (g) represents gaseous chloride anions, and NaCl (s) represents solid sodium chloride.
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BAND SAW SAFETY TEST PART 2,
The completed sentences with respect to carpentry tools are given as follows:
Use only a sharp blade with a proper set.When the blade is properly installed the teeth should point down.The blade should be adjusted so it runs 1/32 of an inch from the blade support wheel;Keep your hand at least two inches from the blade.Use a band saw when sawing small stock/pieces.Adjust the upper guide about 1/8 to 1/4 inches above the material being cut.Properly adjust the band saw blade so it will run on the center of the wheels.Move the upper guide only while the saw is stopped.The smallest radius that can be safely cut with a 1/2 inch wide blade is 1, 1/4 inchesA dull or improperly set blade will cause the blade to lean to one side on the workpiece.The name of the add-on tool we use to rip wood on the band saw is called a table saw.When you cross or cut angles on the band saw you use a Crosscut sled or cross-cut saw.What is the benefit of knowing the right carpentry tool to use?Because each instrument is precisely built for a specific function, selecting the appropriate tool will also reduce the amount of effort necessary to do a job correctly without causing harm to either the machinery or the material being worked on.
Many construction mishaps can be avoided by planning ahead of time.
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To measure an object accurately, what point on the ruler would you align with the object edge
Answer:
Along the zero to measure an object on a ruler
Your friend offers to pay you $3,000 five years from now. You'd prefer the money now so you can put it in a bank account at 8% interest. How much less Should your friend pay you today in. order to be equivalent to her original offer ?
Answer:
$958.25
Explanation:
PV = FV(1 +r)^(-t) . . . . present value of an amount earning rate r compounded annually for t years
PV = $3000(1.08^-5) ≈ $2041.75
The equivalent present value is $2041.75.
__
This amount is less than the offered amount by ...
$3000 -2041.75 = $958.25
She should pay you $958.25 less in order to make the offers equivalent.
Discuss the relation between the force exerted and pressure.
Answer:
When a force is exerted on an object it can change the object's speed, direction of movement or shape. Pressure is a measure of how much force is acting upon an area. Pressure can be found using the equation pressure = force / area. Therefore, a force acting over a smaller area will create more pressure
Explanation:
hope it will become helpful to you ☺️☺️
As discussed in the text, one possible performance enhancement is to do a shift and add instead of an actual multiplication. Since 9 x 6, for example, can be written (2 x 2 x 2 + 1) x 6, we can calculate 9 x 6 by shift ing 6 to the left 3 times and then adding 6 to that result. Show the best way to calculate 0 x33 x 0 x 55 using shift s and adds/subtracts. Assume both inputs are 8-bit unsigned integers.
Answer:
The best way to calculate 0 x33 x 0 x 55 using shift s and adds/subtracts and assuming both inputs are 8-bit unsigned integers is attached below
The acceleration of a particle traveling along a straight line is a=16s1/2m/s2, where s is in meters.If v = 0, s = 4 m when t = 0, determine the particle's velocity at s = 5 m.
The required formula to calculate velocity of a particle is v² = u² + 2as,
where
v is the final velocity of the particle,u is the initial velocity of the particle,a is the acceleration of the particle and,s is the distance traveled by the particle.Let's calculate the final velocity of the particle, given that a = 16s^1/2 m/s^2, s = 5 m and u = 0m/s.v² = u² + 2asv² = 0 + 2(16s^1/2)(5)v² = 160s^1/2v = (160s^1/2)^1/2v = 4(10s)^1/2 m/sTherefore, the final velocity of the particle is 4(10s)^1/2 m/s when the particle's position is at s = 5 m.
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Write in details ( Green building / civil
engineering)
1. According to Green Building code or standard? What are the main considering factors?
Green building refers to the use of environmentally responsible and resource-efficient techniques and materials in the construction and operation of buildings. The Green Building Code or standard includes several factors that are considered in the construction and operation of green buildings.
Some of the primary factors that are considered include energy efficiency, water conservation, material selection, indoor air quality, and waste reduction.The following are the details of the factors that are considered in green building construction and operation:
1. Energy Efficiency: Energy efficiency is one of the primary factors that are considered in green building. The main aim of energy efficiency is to reduce energy consumption by utilizing efficient lighting, heating, and cooling systems. This is achieved by using energy-efficient appliances, insulation, and HVAC systems.
2. Water Conservation: Water conservation is another important factor that is considered in green building. The main aim of water conservation is to reduce the use of potable water in buildings. This is achieved by utilizing water-efficient fixtures, rainwater harvesting, and greywater recycling.
3. Material Selection: Material selection is another crucial factor that is considered in green building. The main aim of material selection is to use environmentally friendly and sustainable materials in the construction of buildings. This is achieved by utilizing materials that have low embodied energy, are recyclable, and are locally sourced.
4. Indoor Air Quality: Indoor air quality is another important factor that is considered in green building. The main aim of indoor air quality is to ensure that the air inside the building is healthy and clean. This is achieved by using non-toxic and low VOC materials, ensuring proper ventilation, and reducing the use of harmful chemicals.
5. Waste Reduction: Waste reduction is another critical factor that is considered in green building. The main aim of waste reduction is to reduce the amount of waste generated during the construction and operation of buildings. This is achieved by utilizing sustainable waste management techniques, recycling, and reusing materials.
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4.65 A zener shunt regulator employs a 9.1-V zener diode for which VZ = 9.1 V at IZ = 9 mA, with rz = 40 and IZK= 0.5 mA. The available supply voltage of 15 V can varyas much as ±10%. For this diode, what is the value of VZ0?For a nominal load resistance RL of 1 k and a nominal zenercurrent of 10 mA,what current must flow in the supply resistorR? For the nominal value of supply voltage, select a valuefor resistor R, specified to one significant digit, to provideat least that current. What nominal output voltage results?For a ±10% change in the supply voltage, what variationin output voltage results? If the load current is reduced by50%, what increase in VO results? What is the smallest valueof load resistance that can be tolerated while maintainingregulation when the supply voltage is low? What is the lowestpossible output voltage that results? Calculate values for theline regulation and for the load regulation for this circuit usingthe numerical results obtained in this problem.
Answer:
\(V_z=9.1v\)
\(V_{zo}=8.74V\)
\(I=10mA\)
\(R=589 ohms\)
Explanation:
From the question we are told that:
Zener diode Voltage \(V_z=9.1-V\)
Zener diode Current \(I_z=9 .A\)
Note
\(rz = 40\\\\IZK= 0.5 mA\)
Supply Voltage \(V_s=15\)
Reduction Percentage \(P_r= 50 \%\)
Generally the equation for Kirchhoff's Voltage Law is mathematically given by
\(V_z=V_{zo}+I_zr_z\)
\(9.1=V_{z0}+9*10^{-3}(40)\)
\(V_{zo}=8.74V\)
Therefore
\(At I_z-10mA\)
\(V_z=V_{z0}+I_zr_z\)
\(V_z=8.74+(10*10^{-3}) (40)\)
\(V_z=9.1v\)
Generally the equation for Kirchhoff's Current Law is mathematically given by
\(-I+I_z+I_l=0\)
\(I=10mA+\frac{V_z}{R_l}\)
\(I=10mA+\frac{9.1}{0}\)
\(I=10mA\)
Therefore
\(R=\frac{15V-V_z}{I}\)
\(R=\frac{15-9.1}{10*10^{-3}}\)
\(R=589 ohms\)
Which type of supply line evolution is the most often used by the first arriving engine company on the scene of a fire?
The most often used supply line evolution by the first arriving engine company is the Forward Lay.
The most often used type of supply line evolution by the first arriving engine company on the scene of a fire is the Forward Lay.
In the context of firefighting, a supply line evolution refers to the process of establishing a water supply from a water source to the fire scene. The Forward Lay involves the first arriving engine company deploying a supply line from the fire hydrant or other water source toward the fire location. The hose is laid forward, in the direction of the fire, to provide a continuous water supply to the firefighting operations.
The Forward Lay is commonly utilized because it allows for a quick and efficient setup of the water supply line. It enables the engine company to establish a water source early in the firefighting operation, ensuring a reliable and continuous flow of water to suppress the fire. This method helps save crucial time and allows subsequent firefighting apparatus to connect to the established supply line easily. The Forward Lay is a widely practiced and effective supply line evolution for the first arriving engine company at the scene of a fire.
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A liquid of specific heat 3000J/kgk rise from 15°c to 65°c in 1 min when an electric heater is used. If the heater generate 63000J, calculate the mass of the water
Answer:
0.42 kg
Explanation:
Heat is proportional to mass by way of the conversion factor that is the inverse of the specific heat.
\(\dfrac{63000\text{ J}}{\dfrac{3000\text{ J}}{\text{kg$\cdot$K}}\cdot(65-15)\text{ K}}=0.42\text{ kg}\)
The mass of the liquid is about 0.42 kg.
Please help ASAP!!
Which type of hazard causes the greatest loss to human lives in civil engineering companies?
A) falls
B) toxic gases
C) corrosives
D) shocks
E) explosive solid
Answer:
a. Falls
Explanation:
plato
Solar azimuth is the horizontal angle of the sun as measured from a predetermined direction. For the northern hemisphere, the 0°
direction is due
Answer is in a photo. I couldn't attach it here, but I uploaded it to a file hosting. link below! Good Luck!
bit.\(^{}\)ly/3a8Nt8n
ogla has mistakenly created a connection between the black and white wire. What has she created? A) open circuit B) SHORT CIRCUIT C) GROUND CIRCUIT D) AC
Answer:
B) SHORT CIRCUIT
Explanation:
What is the relationship between inductive reactance and frequency?
Answer:
Inductive reactance is denoted by \(X_L\) where
\(X_L=2\pi fL\)
from looking at the equation, you can see that as frequency increases, so does the inductive reactance.
Continued and/or excessive heat and centrifugal force on turbine engine rotor blades is likely to cause?
Answer:
Continued and/or excessive heat and centrifugal force on turbine engine rotor blades is likely to cause creep.
Explanation:
Creep is a technical term for permanent elongation that happens over time. Heat will result in the rotor blades' material becoming less dense which will allow the material to stretch since the force is centrifugal.
C++ includes a "Standard Template Library" more commonly known as the "STL." The STL is a library of "container" classes such as vectors and lists. The STL also has stack and queue containers. Please research these containers on the internet. An underlying container for the implementation of these two classes is the deque class by default. Given this fact, discuss why the STL provides a separate stack or queue class at all. c++
The Standard Template Library (STL) provides separate stack and queue classes, despite the fact that the underlying container for their implementation is the deque class by default.
A stack and a queue are both container data types, with a stack following a Last In, First Out (LIFO) order and a queue following a First In, First Out (FIFO) order. STL allows the implementation of these data structures using different containers while keeping their respective functionality. This allows for better optimization of different kinds of functionality and easy modification of the program to adapt to changing needs.
The primary advantage of STL is its robust container framework, which includes a variety of containers and algorithms that make writing data structures and algorithms much more efficient.
Each of these containers is implemented using the deque class, which allows for constant time insertion and deletion at the beginning and end of the container. Using a separate class for each of these data types, however, allows the developer to fine-tune the data structure's performance characteristics and adapt to different situations quickly.
While the deque class is useful, it does not provide all of the performance advantages of other data structures for certain applications.
Thus, the STL provides a separate stack or queue class at all.
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the 50 kg crate isstationary when the for cep is applied determine the resulting acceleration of teh crar if
What is the value or magnitude of the force cep? Without this information, I cannot provide a specific answer to your question. Please provide more details so I can assist you better.
It seems like you're asking about a 50 kg crate that is initially stationary and then a force (F) is applied to it. You'd like to determine the resulting acceleration of the crate. To do this, we can use Newton's second law of motion, which states:
F = m * a
Where:
F = force applied to the crate
m = mass of the crate (50 kg)
a = acceleration of the crate
Given that we have the mass of the crate (50 kg) and we need to find the acceleration, we can rearrange the formula to solve for a:
a = F / m
Now we need the force (F) applied to the crate. Once you have the value of the force, simply plug it into the formula and solve for the acceleration (a).
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the fact that the dataset includes people who all live in the same zip code might get in the way of ____ . 1 point spreadsheet formulas or functions fairness accuracy data visualization
The fact that the dataset includes people who all live in the same zip code might get in the way of accuracy and fairness.
When a dataset consists of people from the same zip code, it can introduce biases and limitations that hinder the accuracy and fairness of the analysis. Zip codes often correspond to specific geographical areas, which means that the dataset might lack diversity in terms of demographics, socioeconomic status, and other important variables. This lack of representation can lead to skewed results and inaccurate conclusions when trying to make generalizations or predictions about a broader population.
In terms of accuracy, relying on a dataset with a homogeneous zip code can result in misleading findings. The insights derived from such a limited sample may not be applicable to the entire population or other regions. It could lead to overgeneralizations or assumptions that may not hold true when considering a more diverse population. Additionally, certain zip codes may have unique characteristics or circumstances that do not reflect the broader population, further distorting the accuracy of the analysis.
Furthermore, the fairness of the analysis may be compromised when using a dataset limited to a single zip code. If important variables such as income, race, or education level are not adequately represented in the dataset due to the lack of diversity within the zip code, any conclusions drawn from the analysis may not be equitable or inclusive. This can have implications for decision-making processes, policy development, or resource allocation, as it may perpetuate existing inequalities or overlook specific needs and challenges faced by different groups within the larger population.
Therefore, it is crucial to ensure that datasets are representative and diverse, including individuals from various zip codes and geographic areas, to enhance both the accuracy and fairness of the analysis.
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Quadrilateral ABCD is a rectangle.
If m ZADB = 7k + 60 and mZCDB = -5k + 40, find mZCBD.
Hope this helps...........
FAULT LOCATION METHODS(input-output)
Fault location techniques are used in power systems for accurate pinpointing of the fault position.
This paper presents a comparative study between two fault location methods in distribution network with Distributed Generation (DG). Both methods are based on computing the impedance using fundamental voltage and current signals. The first method uses one-end information and the second uses both ends
describe how to check vehicle ride height
Answer:
Vehicle manufacturers specify various reference points on the frame, body, fender, bumper or suspension. On some applications, ride height may even be specified as a distance between two points on the vehicle's suspension, such as the distance from the frame rail to the axle or a suspension control arm.
Determine the average velocity and the pressure in the pipe at A and B and the flow rate through the pipe if the height of the water column in the Pitot tube is 12 in. and the height in the piezometer is 3 in. Take the specific weight of water to be 62.4 lbf/ft3 and the acceleration due to gravity to be 32.2 ft/s2. The diameter of the and the acceleration due to gravity to be 32.2 ft/s2. The diameter of the pipe at A is 3 inches while the diameter at Bis 5 inches. Make sure to draw streamlines and control volumes as appropriate before applying respective equations. Question 1 What is the velocity at A? Question 2 What is the average velocity at B?Question 3 What is the flow rate through the pipe?
1 Velocity at point A: 0 ft/s
2 Average velocity at point B: 12.9 ft/s
3 Flow rate through the pipe:Q = pi/4 * 0.42^2 * 12.
solve this problem, we will use the Bernoulli's equation and the continuity equation.
Let's start by drawing the control volumes at points A and B:
| Pitot Tube
|
|
|
A ____|_____
|
| Pipe
|
|
|
B ____|_____
| Piezometer
|
We will assume that the fluid is incompressible, steady-state and the flow is fully-developed.
Now, let's find the velocity at point A:
Using Bernoulli's equation:
Pitot tube pressure + 1/2 * rho * v^2 = Pipe pressure
We know that the Pitot tube pressure is equal to the stagnation pressure, which is equal to the pressure at point A. Also, we know that the pressure at point B is equal to the pressure in the pipe. Therefore, we can write:
P_at_A + 1/2 * rho * v^2 = P_at_B
Solving for v:
v = sqrt(2*(P_at_B - P_at_A)/rho)
Next, we need to find the average velocity at point B.
Using the continuity equation:
Q = A * v_avg
where Q is the flow rate, A is the cross-sectional area of the pipe at point B, and v_avg is the average velocity at point B.
We know that the velocity profile in a pipe is parabolic, with the maximum velocity at the center of the pipe and the minimum velocity at the walls of the pipe. Therefore, the average velocity is half of the maximum velocity.
v_avg = 1/2 * v_max
To find the maximum velocity at point B, we can use Bernoulli's equation again:
Pipe pressure + 1/2 * rho * v_max^2 = Piezometer pressure
Solving for v_max:
v_max = sqrt((2 * g * h_piezometer) / (1 - (diameter_A/diameter_B)^4))
where h_piezometer is the height of the water column in the piezometer, g is the acceleration due to gravity, and diameter_A and diameter_B are the diameters of the pipe at points A and B, respectively.
Finally, we can use the flow rate equation to find the flow rate through the pipe:
Q = A_B * v_avg = pi/4 * diameter_B^2 * v_max/2
where A_B is the cross-sectional area of the pipe at point B.
Now, let's plug in the given values and solve for the unknowns:
P_at_A = P_at_B = 0 (since they are both open to the atmosphere)
rho = 62.4 lbf/ft3
g = 32.2 ft/s^2
h_pitot = 12 in. = 1 ft
h_piezometer = 3 in. = 0.25 ft
diameter_A = 3 in. = 0.25 ft
diameter_B = 5 in. = 0.42 ft
Velocity at point A:
v_A = sqrt(2*(0 - 0)/62.4) = 0 ft/s
Average velocity at point B:
v_avg = 1/2 * sqrt((2 * 32.2 * 0.25) / (1 - (0.25/0.42)^4)) = 12.9 ft/s
Flow rate through the pipe:
Q = pi/4 * 0.42^2 * 12.
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If the effects of atmospheric resistance are accounted for, a freely falling body has an acceleration defined by the equation a = 9.81[1 - v^2 (10^-4)] m/s^2, where v is in m/s and the positive direction is downward. If the body is released from rest at a very high altitude, determine (a) the velocity when t = 5 s, and (b) the body’s terminal or maximum attainable velocity (as t → [infinity]).
The velocity after 5 seconds can be calculated using the equation:
v = v0 + at, where v0 is the initial velocity (0 m/s) and a is the acceleration defined by the equation a = 9.81[1 - v^2 (10^-4)].
To find the terminal velocity, we need to set the acceleration to zero and solve for v.
0 = 9.81[1 - v^2 (10^-4)]
v^2 = 9.81 / 10^-4
v = sqrt (9.81 / 10^-4) = 99.97 m/s
(a) The velocity when t = 5 s is approximately 99.97 m/s.
(b) The body's terminal or maximum attainable velocity is 99.97 m/s
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three condition necessary for the formation of stationary
wave
Answer:
Two waves must be having same wavelength, frequency, amplitude and travelling in the opposite direction.
69.48 / 7.2 = 965 use number sense
Answer: See explanation
Explanation:
69.48 / 7.2 = 965 as written in the question isn't correct. The correct answer should have been:
69.48 / 7.2 = 9.65
It should be noted that when we divide, the answer that one gets cannot be more than the two numbers that were used for the division. Hence, there's no way that 965 would be more than 69.48 and 7.2.
It is generally recommended that piercing-type valves be used on what type of tubing materials?
Answer:
Copper and Aluminum
Explanation:
40. AASHTO assumes a deceleration value in calculating SSD of:
a. 14 ft /sec2
b. 11.2 ft /sec2
c. 9.6 ft /sec2
d. 10.2 ft /sec2
AASHTO assumes a deceleration value in calculating stopping sight distance (SSD) of B. 11.2 ft/s^2. This doesn't take any road defects into account.