A commercially available photo initiator for TE applications is Irgacure 819. This photo initiator is commonly used in the production of thermally conductive adhesives, sealants and encapsulants for electronic devices.
It is a highly effective photo initiator for TE applications as it has a high solubility in commonly used monomers, allowing it to easily mix into formulations. In addition, Irgacure 819 is highly efficient at initiating polymerization when exposed to UV light, which is crucial in TE applications where precise and fast curing is required. It also exhibits excellent thermal stability, ensuring that it does not break down or lose efficacy during processing or in-service conditions. Overall, Irgacure 819 is a highly reliable and effective photo initiator for TE applications that meets the stringent requirements of the electronic device industry.
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There are several books placed in the HackerStudy library. One of those books on mathematics described an interesting problem that a mathematician wishes to solve. For an array arrofnintegers, the mathematician can perform the following move on the array: 1. Choose an indexi(0≤i
Using the knowledge of computational language in python it is possible to write a code that There are several books placed in the HackerStudy library.
Writting the code:include<iostream>
using namespace std;
long getMaximumScore(int arr[],int k,int n)
{
long count=0,sum=0;
for(int i=0;i<n-1;i++)
{
for(int j=0;j<n-i-1;j++)
{
if(arr[j+1]>arr[j])
{
arr[j+1]=arr[j+1]+arr[j];
arr[j]=arr[j+1]-arr[j];
arr[j+1]=arr[j+1]-arr[j];
}
}
}
for(int i=0;i<n;i++)
{
if(count==k)
return sum;
else
{
sum=sum+arr[i];
count++;
}
}
}
int main()
{
int n,k;
cin>>n;
int arr[n];
for(k=0;k<n;k++)
cin>>arr[k] ;
cin>>k;
cout<<getMaximumScore(arr,k,n);
return 0;
}
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a carpenter will be using 24" x 3/8" hand-split cedar shakes to cover a roof. the shakes will be applied with an average spacing of 1/2" between shakes...
The square feet of roof area that can be covered by one square of these shakes is 75%. The correct option D.
What is the weather?The condition of the atmosphere, including its temperature, pressure, wind, humidity, precipitation, and cloud cover, is referred to as the weather. It is distinct from climate, which is the average of all weather events for a certain location over a period of around 30 years.
Given Data,
Size of shakes = 24” x 3/8”
Weather exposure = 7 ½”
As explained above, 24” x 3/8” shakes with 7 ½” weather exposure has coverage of 75 square feet per square of shakes. 75 square feet
Therefore, the correct option D. 75%.
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The question is incomplete. Your most probably complete question is given below:
The shakes will be applied with an average spacing of '/>" between shakes, and the weather exposure will be 71/2". Look at the shake coverage table. According to the information in this table, approximately how many square feet of roof area can be covered by one square of these shakes?
3. Would you characterize yourself as a technophile or a Luddite? Explain, and use examples.
A technophile is someone who is enthusiastic and embraces technology, often seeing it as a positive force for progress and improvement in various aspects of life. Technophiles are usually eager to adopt new technologies and explore their potential benefits.
A technophile might be among the first to purchase and use the latest smartphones, gadgets, or smart home devices as soon as they are released.
Technophiles are more likely to embrace automation and artificial intelligence technologies in various domains, such as using voice assistants, self-driving cars, or home automation systems.
Technophiles tend to have an optimistic view of emerging technologies like virtual reality, augmented reality, blockchain, or autonomous robots, recognizing their potential benefits and actively exploring their applications.
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a caisson is a watertight enclosure that can be pumped dry so that construction activities, such as the construction of piers can take place. _______
A caisson is a watertight enclosure that can be pumped dry so that construction activities, such as the construction of piers can take place. A caisson is a watertight structure or chamber, usually made of wood, metal, or concrete, that is sunk to the bed of a river, lake, or ocean to provide a foundation or support for a bridge, building, or other structure.
A caisson is constructed onshore and then floated to the location where it is to be sunk into the water. Once in place, water is pumped out of the caisson, and construction workers enter the dry chamber to begin work on the foundation or support structure. The use of caissons has been an important development in the construction of bridges and other structures in areas with deep water or unstable soils.
A foundation called a caisson is used in construction on soft or deep water. It involves filling a series of large, watertight cylinders with concrete and sinking them into the ground. The base serves as a solid foundation for any subsequent structures. The construction of large structures like bridges, docks, and caissons is common.
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the coprocessor 0 in a mips processor has a set of registers used to store necessary information when an exception occurs: $8 badvaddr $12 status $13 cause $14 epc. when a mips processor executes the following instructions: address instruction 0x00401000 li $t0, 0x7fffff0c 0x00401004 sw $s0, 7($t0) 0x00401008 ... the contents of these registers are: $8: 0x[a] $13 : 0x[b] note: assuming all interrupt pending (ip) bits are 0, i.e. no interrupt pending. $14: 0x[c].
BadVaddr ($8) stores the memory address at which the exception occurs.
Hence, the exception occurs in store word instruction.
What is memory address?A memory address in computing is a designation of a particular memory location that is used by hardware and software at different levels. Memory addresses are fixed-length digit sequences that are typically represented as unsigned integers and used in operations.
Such a numerical semantic is based on CPU characteristics (such as the instruction pointer and incremental address registers) as well as on the use of memory as an array that is supported by different programming languages.
Numerous memory locations make up the main memory of a digital computer. Physical addresses—which are codes—are assigned to each memory location. To access the appropriate memory location, the CPU (or other device) can use the code.
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If a transformer is operated at rated frequency but voltage higher then the rated value, how do you expect the following quantities to change:-
A) No-load current.
B) Hysterics loss.
C) Eddy current loss.
Looking at the figure "(expected) Revenues", at what price level would Zach exactly cover his monthly costs?
The "expected Revenues" curve represents the amount of money Zach expects to earn from selling his product at different price levels. The "total monthly costs" line represents the sum of all the costs.
At a price level above the intersection point, Zach's expected revenues are greater than his total monthly costs, meaning he earns a profit. Therefore, the exact price level at which Zach covers his monthly costs is the point where the "expected Revenues" curve intersects the "total monthly costs" line.
Without a specific figure or graph to reference, it is impossible to give a precise answer to this question. However, by examining the graph, we can estimate the price level at which Zach exactly covers his monthly costs. We can identify this point by finding where the two lines intersect on the graph.
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who ever answers this gets 25 NON COSTLY points
Answer:
"cool"
Explanation:
A 50 mm 45 mm 20 mm cell phone charger has a surface temperature of Ts 33 C when plugged into an electrical wall outlet but not in use. The surface of the charger is of emissivity 0.92 and is subject to a free convection heat transfer coefficient of h 4.5 W/m2 K. The room air and wall temperatures are T 22 C and Tsur 20 C, respectively. If electricity costs C $0.18/kW h, determine the daily cost of leaving the charger plugged in when not in use.
Answer:
C = $0.0032 per day
Explanation:
We are given;
Dimension of cell phone; 50 mm × 45 mm × 20 mm
Temperature of charger; T1 = 33°C = 306K
Emissivity; ε = 0.92
convection heat transfer coefficient; h = 4.5 W/m².K
Room air temperature; T∞ = 22°C = 295K
Wall temperature; T2 = 20°C = 293 K
Cost of electricity; C = $0.18/kW.h
Chargers are usually in the form of a cuboid, and thus, surface Area is;
A = (50 × 45) + 2(50 × 20) + 2(45 × 20)
A = 6050 mm²
A = 6.05 × 10^(-3) m²
Formula for total heat transfer rate is;
E_t = hA(T1 - T∞) + εσA((T1)⁴ - (T2)⁴)
Where σ is Stefan Boltzmann constant with a value of; σ = 5.67 × 10^(-8) W/m².K⁴
Thus;
E_t = 4.5 × 6.05 × 10^(-3) (306 - 295) + (0.92 × 6.05 × 10^(-3) × 5.67 × 10^(-8)(306^(4) - 293^(4)))
E_t = 0.7406 W = 0.7406 × 10^(-3) KW
Now, we know C = $0.18/kW.h
Thus daily cost which has 24 hours gives;
C = 0.18 × 0.7406 × 10^(-3) × 24
C = $0.0032 per day
6. A 4- pole lap wound armature has 144 slots with two coil sides per slot, each coil having two turns. If the flux per pole is 20 m Wb and the armature rotates at 750 rpm. What is the induced voltage?
The induced voltage in the given lap wound armature is 921.6 volts.
How to calculate the valueIn order to calculate the induced voltage in a lap wound armature, we can use the formula:
E = (2 * N * Z * P * φ * RPM) / 60 * 10^8
Number of parallel paths (N) = 2
Total number of armature conductors (Z) = 144 slots * 2 coil sides per slot = 288 conductors
Number of poles (P) = 4
Flux per pole (φ) = 20 mWb = 20 * 10⁻³ Wb
Armature rotation speed (RPM) = 750
Let's substitute the given values into the formula:
E = (2 * 2 * 288 * 4 * 20 * 10⁻³ * 750) / (60 * 10⁸)
E = (4 * 288 * 4 * 20 * 10⁻³ * 750) / (60 * 10⁸)
E = (46080 * 4 * 20 * 10⁻³ * 750) / (60 * 10⁸)
E = (46080 * 4 * 20 * 750) / (60 * 10⁸)
E = (36864000 * 20 * 750) / (60 * 10⁸)
E = (36864000 * 15000) / (60 * 10⁸)
E = 552960000000 / 600000000
E = 921.6 V
Therefore, the induced voltage in the given lap wound armature is 921.6 volts.
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A particular brand of paint covers 340 square feet per gallon . Write a program in C++ to determine and report approximately how many gallons of paint will be needed to paint two coats on a wooden fence that is 6 feet high and 100 feet long .
Answer:
#include <iostream>
using namespace std;
// named constant to give mnemonic name to "magic number"
const float SqFtPerGal = 350.0f;
// the function main() is always the entry point of the application
int main()
{
float length, width, area, paint; // to hold user values and results
// prompt user for length and width of wall
cout << "Enter length of wall : " << flush;
cin >> length;
cout << "Enter width of wall : " << flush;
cin >> width;
// calculate area and amount of paint needed
area = length * width;
paint = area / SqFtPerGal;
// output results with reasonable text
cout << "You need " << paint << " gallons of paint to cover "
<< area << " square feet of wall." << endl;
// program stops executing when it returns from main(), 0 means O.K.
return 0;
}
Explanation:
A closed, 0.4-m-diameter cylindrical tank is completely filled with oil (SG 0.9)and rotates about its vertical longitudinal axis with an angular velocity of 40 rad/s. Determine the difference in pressure just under the vessel cover between a point on the circumference and a point on the axis
Answer: \(p_{B} - p_{A}\) = 28800 Pa or 28.8 kPa
Explanation: To determine the pressure of a liquid in a rotating tank,it is used:
p = \(\frac{p_{fluid}.w^{2}.r^{2} }{2}\) - γfluid . z + c
where:
\(p_{fluid}\) is the liquid's density
w is the angular velocity
r is the radius
γfluid.z is the pressure variation due to centrifugal force.
For this question, the difference between a point on the circumference and a point on the axis will be:
\(p_{B} - p_{A}\) = \(\frac{p_{fluid}.w^{2}.r_{B} ^{2} }{2}\) - γfluid.\(z_{B}\) - (\(\frac{p_{fluid}.w^{2}.r_{A} ^{2} }{2}\) - γfluid.\(z_{A}\))
\(p_{B} - p_{A}\) = \(\frac{p_{fluid}.w^{2}}{2} (r_B^{2} - r_A^{2} )\) - γfluid(\(z_{B}\) -\(z_{A}\))
Since there is no variation in the z-axis, z = 0 and that the density of oil is 0.9.10³kg/m³:
\(p_{B} - p_{A}\) = \(\frac{p_{fluid}.w^{2}}{2} (r_B^{2} - r_A^{2} )\)
\(p_{B} - p_{A} = \frac{0.9.10^3.40^2}{2}(0.2^2 - 0)\)
\(p_{B} - p_{A}\) = 28800
The difference in pressure between two points, one on the circumference and the other on the axis is \(p_{B} - p_{A}\) = 28800 Pa or 28.8 kPa
engineering controls are devices such as self sheathing needles and sharps containers to block or eliminate the sharp risk.
The given statement that "engineering controls are devices such as sharps containers and self-sheathing needles used to block or eliminate the sharp risk" is true.
Engineering control devices protect workers by removing hazardous conditions or by placing a barrier between the hazard and the worker. Examples of engineering control devices include exhaust ventilation that captures and exits airborne emissions or machine guards that shields the worker.
It can be stated as engineering controls devices reduce or prevent hazards from coming into direct contact with workers. Therefore, the given statement is true because the devices such as sharps containers and self-sheathing needles to block or remove the sharp risk are examples of engineering control devices.
"
Complete question
engineering controls are devices such as self sheathing needles and sharps containers to block or eliminate the sharp risk.
True
False
"
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Consider the following C program: #include void square(int num) \{ num = num * num; \} int main() \{ int x=4; square (x); printf("\%d\n", x); return 0
i
\} This program currently prints out " 4 ." If you wish, compile and run the code to confirm this fact. In the current code, x is passed by value to the square function. Modify the program to use pointers and addresses so that x is passed by reference instead (and is squared as a result). Your solution should not make the square function return a value.
To modify the program to pass the variable `x` by reference using pointers, we need to change the `square` function to take a pointer parameter.
By dereferencing the pointer and updating the value at the memory address it points to, we can modify the original variable `x`. This ensures that `x` is squared within the `square` function.
Modified code:
```c
#include <stdio.h>
void square(int* num) {
*num = (*num) * (*num);
}
int main() {
int x = 4;
square(&x);
printf("%d\n", x);
return 0;
}
```
In the modified code, the `square` function is modified to take an `int*` parameter instead of an `int` parameter. This indicates that it expects a pointer to an integer. Inside the function, we dereference the pointer using the `*` operator and perform the square operation on the value it points to. This updates the original variable `x` in the `main` function.
In the `main` function, when calling `square`, we pass the address of `x` using the `&` operator. This allows the `square` function to directly modify the value of `x` at that memory address.
As a result, when we print the value of `x` after calling `square`, it will be the squared value (16 in this case) instead of the original value (4).
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Why are optical space telescopes able to see deeper into outer space than land-based optical telescopes? A:because they are larger than land-based telescopes B:because they are smaller than land-based telescopes C:because they look through the Earth's atmosphere D:because they are above the Earth's atmosphere
Answer:
D:because they are above the Earth's atmosphere
Explanation:
Optical space telescopes have the ability to take very clear pictures of the stars, galaxies, and other images required of it from pace. This is unlike the land-based optical telescopes whose pictures of space are not as sharp as the ones produced by the optical space telescopes despite the fact that they are kept at very high elevations.
The major reason for this is the fact that the land-based optical telescopes absorb the infrared and ultraviolet rays emitted by the earth's atmosphere. These blurs the images it produces. The optical space telescopes are not affected by these rays in space.
Answer:
d
Explanation:
that is why because they out farther then our regular telescopes
hope this helps
What term is used to describe streamlining processes with automation or simplified steps?
a. Convergence
b. Business Process Engineering
c. Protocol Convergence
d. Security Operations and Administration
The term used to describe streamlining processes with automation or simplified steps is (b) Business Process Engineering.
Business Process Engineering (BPE) is the practice of analyzing and improving business processes to increase efficiency and effectiveness. This can involve the use of automation, simplification of steps, and other techniques to streamline workflows and reduce the time and resources required to complete tasks.BPE can help organizations to achieve greater productivity, reduce costs, and improve customer satisfaction by eliminating inefficiencies and optimizing workflows. It is a continuous improvement process that involves identifying areas for improvement, testing and implementing changes, and monitoring the results to ensure that the desired outcomes are achieved.
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Is an isothermal process necessarily internally reversible? Explain your answer with an example
Answer:
please give me brainlist and follow
Explanation:
Example of an irreverseble isothermal process is mixing of two fluids on the same temperature - it requires a lot of energy to unmix Jack and coke. ... Example of an reversible process with changing temperature is isentropic expansion.
According to the question, an isothermal heat-transfer process can be either reversible or irreversible depending on the nature and characteristics of the closed system.
What is an Isothermal process?An isothermal process may be defined as a type of thermodynamic process in which the specific temperature of a system always remains constant. This means that ΔT = 0. In this thermodynamic process, the temperature of the whole system remains constant over a period of time.
An example of an isothermal process necessarily internally reversible may definitely include the working process of a radiator that involves the heating of the room while having a constant temperature is an irreversible isothermal process. An example of a reversible process with changing temperature is isentropic expansion.
Therefore, according to the question, an isothermal heat-transfer process can be either reversible or irreversible depending on the nature and characteristics of the closed system.
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once you get the answer correct first i will mark you brainliest!!
Answer:
2
Explanation:
The plate is made of steel having a density of 7910 kg/m3 .If the thickness of the plate is 9 mm , determine the horizontal and vertical components of reaction at the pin A and the tension in cable BC.
Answer:
Horizontal component ( Ax) = 0
vertical component ( Ay ) = 1794.87 N
Explanation:
Attached below is the detailed solution and the free body diagram of the question
given data:
density = 7910 kg/m3
thickness of plate = 9 mm = 0.009
determine the horizontal and vertical components of the reaction at the pin A and the tension in the cable BC
the fire investigator uses knowledge filters to evaluate and analyze
As a fire investigator, it is essential to have a strong understanding of the fire investigation process and be able to evaluate and analyze data effectively. One critical tool used in this process is knowledge filters. Knowledge filters are used to sort through and evaluate the information gathered during the investigation.
These filters can include things like experience, education, and training, and they help to identify critical pieces of information needed to determine the cause and origin of the fire.
When evaluating the information collected, it is essential to use knowledge filters to determine which pieces of data are relevant to the investigation. For example, an investigator may filter through witness statements to identify any inconsistencies or information that does not align with physical evidence. This process helps to identify the key facts of the investigation and eliminate any irrelevant data.
Overall, knowledge filters are an essential tool for fire investigators. They help to ensure that the investigation is thorough, accurate, and ultimately, lead to an accurate determination of the cause and origin of the fire.
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When trying to prevent a rollover, it is important that the driver does not
A. overcorrect
B. grab the steering wheel
C. slam the brakes
D. undercorrect
The city park has a stream running through it. The city wants to make better use of the park area. What steps should the city planners take to design a park that has all areas available to the public?
Answer:
they could add a play structure, with the stream they can put ducks and fish in it and picnic places
brainliest plz
Explanation:
Answer:
just took the quiz (k12) answer is...
Ask questions to identify a problem, develop a model, and carry out the plan/desgn.
Explanation:
What is a transition? A. An animation that happens on a single slide B. An outline format that uses roman numerals C. An image file imported to a title slide D. An effect that happens between slides Please select the best answer from the choices provided A B C D
Answer:
its c
Explanation:
The rectifier is used to
Answer:
A rectifier is an electrical device used to convert alternating current to direct current.
Explanation:
Hope this helps! Shalom
What is computer programming
Answer:
Computer programming is where you learn and see how computers work. People do this for a living as a job, if you get really good at it you will soon be able to program/ create a computer.
Explanation:
Hope dis helps! :)
When an object is made of the plastic polyester (PET), it uses antimony as a catalyst. After production, antimony can leach into food and drink stored in PET containers. Usually, if stored correctly for a short amount of time, the amount of antimony found in liquids is well below the safety limits. However, there have been reports of as much as 44.7 micrograms per liter [µg/L] of antimony found in fruit juice concentrates. How much antimony, in units of moles [mol], could be found in one gallon [gal] of fruit juice concentrate at this level of contamination? The molecular mass of antimony is 121.76 grams per mole [g/mol].
Answer:
1.39 µmol
Explanation:
(1 gal) × (44.7 µg/L)/(121.76 g/mol)(3.785411784 L/gal) = 1.39 µmol
3. Suppose up to 300 cars per hour can travel between any two of the cities 1, 2, 3, and 4. Formulate a maximum flow problem that can be used to determine how many cars can be sent in the next two hours from city 1 to city 4. Give the network diagram and the LP formulation for your model.
Let $x ij$ represent the quantity of cars that will be delivered in the following two hours from city I to city j.
Create a maximum flow issue?Network Diagram:
LP Formulation:
Maximize Z = 150x14 + 150x24
Subject to:
x11 + x12 + x13 + x14 <= 300 (flow from city 1 to other cities)
x21 + x22 + x23 + x24 <= 300 (flow from city 2 to other cities)
x31 + x32 + x33 + x34 <= 300 (flow from city 3 to other cities)
x41 + x42 + x43 + x44 <= 300 (flow from city 4 to other cities)
x11 + x21 + x31 + x41 = 150 (flow into city 1)
x12 + x22 + x32 + x42 = 150 (flow into city 2)
x13 + x23 + x33 + x43 = 150 (flow into city 3)
x14 + x24 + x34 + x44 = 150 (flow into city 4)
xij >= 0 (all variables must be positive)
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Write a statement that assignsall elements in the arrayatomicWeights the value 1.003,independent of the size of thearray.atomicWeights(:) = 1.0032
A statement that assigns all elements in the array atomic Weights the value 1.003,independent of the size of the array is atomicWeights(:) = 1.0032.
An array is a grouping of identically typed components that are stored in adjacent memory locations and can each be individually referred to using an index to a special identifier. There is no need to declare five distinct variables when declaring an array of five int values (each with its own identifier). are by default not set. This indicates that none of the components in the array have any specific values assigned to them; rather, their contents are unknown at the time the array is declared.
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What are some of the advantages of working in preconstruction?
There are two types of LEDs (Light Emitting Diodes) that can produce yellow light. One manufacturer offers an LED that emits only yellow light of wavelength 590 nm. Another manufacturer offers a unit that is actually two LEDs, one that emits red light with a wavelength of 630 nm, the other emits green light with a 540 nm wavelength. The yellow light from both LEDs looks identical when shined on a wall.
Suppose that each type of LED was used to shine light through a diffraction grating. In each case, there will be a pattern that appears on the screen. Describe the differences (if any) between those patterns as completely as you can.
Answer:
The light from the first LED will appear as yellow while the light from the second LED won't appear as Yellow light when passed through a diffraction grating
Explanation:
There are two types of LED's
First LED emits only yellow light with wavelength of 590 nm
Second LED : emits red light with wavelength of 630 nm and emits green light with a 540 nm wavelength
The second LED produces a yellow light because of the mixture of red and green lights
therefore when the light from the SECOND LED is passed through a diffraction grating, the light is split into its components ( i,e green and red lights ) this is because the lights are not on the same wavelength