Data governance involves the staff, procedures, and technologies needed to supervise and protect the data and data properties of an entity.
The phrase "data governance" is used both at the macro and micro levels. The first is a political idea that plays a role in global politics and Internet governance, while the second is a data management idea that plays a role in corporate data governance. Setting internal guidelines—data policies—that control how data is gathered, processed, kept, and disposed of is referred to as data governance. It regulates who has access to what data types and which data types are governed. Data owners, data stewards, and data custodians are often represented on the steering committee of a strong data governance program. In particular, the reference data and master data elements, are governed by policies, processes, and procedures developed by the three positions.
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What is the transfer of energy from one object to another?
Answer:
Kinetic Energy
Explanation:
Energy is transferred from one object to another when a reaction occurs. Energy can be transferred from one object to another as heat, light, and motion.
The in-situ dry density of a sand is 1.72Mg/m3. The maximum and minimum drydensities, determined by standard laboratory tests, are 1.81 and 1.54 Mg/m3,respectively. Determine the relative density of the sand and soil description based on its density.
Answer:
Relative density = 0.7 or 70%
Explanation:
The following information was provided by this question
Pd = 1.72mg/mg³
Pd max = 1.81 mg/mg³
Pd min = 1.54 mg/mg³
We substitute into the formula. This formula is contained in the attachment.
[(1/1.54)-(1/1.72)]/[1/1.54 - 1/1.81]
= 0.649350 - 0.581395 / 0.649350 - 0.552486
= 0.067955/0.096864
= 0.7015
= 0.7
The relative density is Therefore 0.7 or 70% when converted to percentage
(a) (6 points) Find the integer a in {0, 1,..., 26} such that a = -15 (mod 27). Explain. (b) (6 points) Which positive integers less than 12 are relatively prime to 12?
a. a = 12 is the solution to the given congruence relation. b. the positive integers less than 12 that are relatively prime to 12 are 1, 5, 7, and 11.
(a) The main answer: The integer a that satisfies a ≡ -15 (mod 27) is 12.
To find the value of a, we need to consider the congruence relation a ≡ -15 (mod 27). This means that a and -15 have the same remainder when divided by 27.
To determine the value of a, we can add multiples of 27 to -15 until we find a number that falls within the range of {0, 1,..., 26}. By adding 27 to -15, we get 12. Therefore, a = 12 is the solution to the given congruence relation.
(b) The main answer: The positive integers less than 12 that are relatively prime to 12 are 1, 5, 7, and 11.
Supporting explanation: Two integers are relatively prime if their greatest common divisor (GCD) is 1. In this case, we are looking for positive integers that have no common factors with 12 other than 1.
To determine which numbers satisfy this condition, we can examine each positive integer less than 12 and calculate its GCD with 12.
For 1, the GCD(1, 12) = 1, which means it is relatively prime to 12.
For 2, the GCD(2, 12) = 2, so it is not relatively prime to 12.
For 3, the GCD(3, 12) = 3, so it is not relatively prime to 12.
For 4, the GCD(4, 12) = 4, so it is not relatively prime to 12.
For 5, the GCD(5, 12) = 1, which means it is relatively prime to 12.
For 6, the GCD(6, 12) = 6, so it is not relatively prime to 12.
For 7, the GCD(7, 12) = 1, which means it is relatively prime to 12.
For 8, the GCD(8, 12) = 4, so it is not relatively prime to 12.
For 9, the GCD(9, 12) = 3, so it is not relatively prime to 12.
For 10, the GCD(10, 12) = 2, so it is not relatively prime to 12.
For 11, the GCD(11, 12) = 1, which means it is relatively prime to 12.
Therefore, the positive integers less than 12 that are relatively prime to 12 are 1, 5, 7, and 11.
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IF YOUR VEHICLE BREAKS DOWN, YOU SHOULD?
Answer:
1. TURN ON YOUR HAZARD/EMERGENCY LIGHTS
Turn on your hazard lights to warn other drivers as soon as you sense something's wrong. Keep them on until help arrives, recommends the National Motorists Association (NMA).
2. SLOW DOWN AND PULL OFF THE ROAD
Aim for the right shoulder of the road. Consumer reports recommends that you pull over to a safe, flat location that is as far away from moving traffic as possible.
3. TURN YOUR WHEELS AWAY FROM THE ROAD AND PUT ON THE EMERGENCY BRAKE
The California Department of Motor Vehicles (DMV) recommends pulling your emergency brake, sometimes called the parking brake. If you have to park on a hill or slope, turn the car's wheels away from the road to help prevent the care from rolling into traffic, says the California DMV.
4. STAY IN YOUR VEHICLE
If you're on a highway or crowded road, the Insurance Information Institute (III) recommends that you avoid getting out of your vehicle to look at the damage or fix a mechanical problem. If you need to get out of the car, get your vehicle to a safe place and make sure the road around you is completely clear. If you're stopped on the right-hand side of the road, get out through the passenger-side door.
5. BE VISIBLE
Once you're safely out of the vehicle, prop up your hood to let other drivers know they should proceed with caution. This will alert other drivers that you're broken down, according to the NMA.
6. SET UP FLARES OR TRIANGLES
Place flares or triangles with reflectors behind your car to alert other drivers to the location where you've stopped, says the III.
7. CALL FOR HELP
Call or use an app to get a tow truck, mechanic or roadside assistance to come help. your insurance company or other provider who may be able to help. If you're in an emergency situation or are not sure who to contact, call 911 or the local police for help.
Hope this helps :)
The process ID is guaranteed to be unique and will not be reused until the Operating System is rebooted True or False
True. The process ID is a unique numerical identifier assigned by the Operating System to each process running on the system.
The Operating System ensures that each process is assigned a unique process ID, and that no two processes have the same process ID at the same time. Once a process ID is assigned to a process, it will not be reused until the Operating System is rebooted. This ensures that each process can be uniquely identified and managed by the Operating System, without any conflicts or issues.
The PID remains unique throughout the life of the process. Once a process is terminated, its PID can be reused by the Operating System for new processes. However, the PID is not reused until the Operating System has been rebooted. This ensures that each process has a unique identifier during a single session, allowing for effective process management and resource allocation.
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Give me source code of Simple openGL project. ( without 3D or Animation) simple just.
Answer:
Use GitHub or stackoverflow for this answer
Explanation:
It helps with programming a lot
Which one of the following answer options are your employers responsibility
Where are your answer options?
Answer:
Implement a hazard communication program
Explanation: i took the quiz
Give a brief explanation of the difference between a NAAQS
exceedance and a NAAQS violation.
A NAAQS exceedance refers to temporary levels exceeding the established standard, while a NAAQS violation indicates a persistent or recurring non-compliance with the standard.
NAAQS (National Ambient Air Quality Standard), set by regulatory agencies to protect public health and the environment, establish maximum allowable levels for pollutants in the ambient air. The terms "exceedance" and "violation" are used to describe different scenarios of non-compliance:
1. NAAQS Exceedance: A NAAQS exceedance refers to a temporary event where pollutant concentrations surpass the standard. It may occur due to short-term spikes in pollution levels caused by localized sources, unusual weather conditions, or specific events. Exceedances are typically evaluated and addressed on a case-by-case basis and may not immediately trigger regulatory actions.
2. NAAQS Violation: A NAAQS violation signifies a sustained or recurring non-compliance with the established standard. It occurs when pollutant levels consistently exceed the NAAQS over a specified timeframe, such as an averaging period (e.g., 24 hours or annual). Violations trigger regulatory consequences and the implementation of corrective measures, such as emission controls, enforcement actions, or mandated pollution reduction plans.
Differentiating between exceedances and violations is crucial in regulatory decision-making and prioritizing resources for air quality management. While exceedances may warrant investigation and localized actions, violations indicate the need for more significant and sustained efforts to achieve and maintain compliance with the NAAQS.
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what are the objective goal of a specific in a student of civil engineering
Answer:
an ability to identify, formulate, and solve engineering problems. an understanding of professional and ethical responsibility. an ability to communicate effectively. the broad education necessary to understand the impact of engineering solutions in a global, economic, environmental, and societal context
For the logic expression given below, find all of the static hazards and design a hazard-free circuit that realizes the same logic function. Write the functions that are hazard free, you do not need to draw the circuit. (Hint: Use Karnaugh maps to find the timing hazards.)
F = W*X + W'*Y'
Hazard-free circuit is:
F = WY′ + WX + WY.
Let's discuss more below.
The Boolean function, F = WX + W′Y′, can be simplified to F = (W + Y′)(X + Y′)′. There are 2 static hazards in the circuit, which are eliminated by adding redundant logic. The given expression is F = W*X + W'*Y' In order to remove the static hazards from the logic function, follow these steps:
Step 1: Find the simplified Boolean function. F = WX + W′Y′ = (W + Y′)(X + Y′)′
Step 2: Find the Karnaugh map for the simplified Boolean function.
W\XY' Y Y'
0 1 0 0
1 1 1 1
Step 3: Construct the prime implicants for F. There are two prime implicants: WY′ and WX.
Step 4: Combine the prime implicants for F. The Boolean function F can be implemented using the Boolean expressions, F = WY′ + WX.
Step 5: Remove static hazards by adding redundant logic. The following Boolean function is a hazard-free circuit: F = WY′ + WX + WY.
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n order to test whether camshafts are being manufactured to specification a sample of n = 35 camshafts are selected at random. The average value of the sample is calculated to be 4.44 mm and the depths of the camshafts in the sample vary by a standard deviation of s = 0.34 mm. Test the hypotheses selected previously, by filling in the blanks in the following: An estimate of the population mean is 4.44 . The standard error is 0.06 . The distribution is normal (examples: normal / t12 / chisquare4 / F5,6). The test statistic has value TS= . Testing at significance level α = 0.01, the rejection region is: less than and greater than (2 dec places). Since the test statistic (is in/is not in) the rejection region, there (is evidence/is no evidence) to reject the null hypothesis, H0. There (is sufficient/is insufficient) evidence to suggest that the average hardness depth, μ, is different to 4.5 mm. Were any assumptions required in order for this inference to be valid? a: No - the Central Limit Theorem applies, which states the sampling distribution is normal for any population distribution. b: Yes - the population distribution must be normally distributed.
What is the correct order of steps in the scientific method
Answer:
1) Make a hypothesis, about what u think will happen if you do something
2) conduct the experiment
3) analyze and see what happens
4) do it several more times and compare ur answers
5) make a conclusion from ur answers
6) celebrate bc u done
A body of weight 300N is lying rough
horizontal plane having
a Coefficient of friction as 0.3
Find the magnitude of the forces which can move the
body while acting at an angle of 25 with the horizonted
Answer:
Horizontal force = 89.2 N
Explanation:
The frictional force = coefficient of friction * magnitude of the force (weight of the body) * cos theta
Substituting the given values, we get -
Frictional Force = 0.3*300 * cos 25 = 89.2 N
Horizontal force = 89.2 N
2.13 LAB: Expression for calories burned during workout
This section has been set as optional by your instructor.
The following equations estimate the calories burned when exercising (source):
Men: Calories = ( (Age x 0.2017) — (Weight x 0.09036) + (Heart Rate x 0.6309) — 55.0969 ) x Time / 4.184
Women: Calories = ( (Age x 0.074) — (Weight x 0.05741) + (Heart Rate x 0.4472) — 20.4022 ) x Time / 4.184
Write a program using inputs age (years), weight (pounds), heart rate (beats per minute), and time (minutes), respectively. Output calories burned for men and women.
Output each floating-point value with two digits after the decimal point, which can be achieved as follows:
print('Men: %0.2f calories' % calories_man)
Ex: If the input is:
49
155
148
60
Then the output is:
Men: 489.78 calories
Women: 580.94 calories
299420.1660094
Answer:
ee
Explanation:
This is an over the top question
The program requires a sequence control structure; First, we get input for the variables, and then use the formula to calculate the amount of calories burnt.
The program in python is as follows, where comments (in italics) are used to explain each line.
#This gets input for age, in years
age = int(input("Age (years): "))
#This gets input for weight, in pounds
weight = int(input("Weight (pounds): "))
#This gets input for heart rate, in beats per minutes
heart_rate = int(input("Heart Rate (beats per minutes): "))
#This gets input for time, in minutes
time = int(input("Time (Minutes) : "))
#This calculates the calories burnt for men
calories_man = ((age * 0.2017) - (weight * 0.09036) + (heart_rate * 0.6309) - 55.0969) * time / 4.184
#This calculates the calories burnt for women
calories_woman = ((age * 0.074) - (weight * 0.05741) + (heart_rate * 0.4472) - 20.4022 ) * time / 4.184
#This prints the calories burnt for men
print('Men: %0.2f calories' % calories_man)
#This prints the calories burnt for women
print('Women: %0.2f calories' % calories_woman)
Please note that the program does not check for valid inputs
See attachment for program output
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Nested for loops. C++
Integer inVal is read from input. For each number from 0 to inVal, output the number followed by the number's value of plus sign characters, '+'. End each output with a newline.
Ex: If the input is 5, then the output is:
0
1+
2++
3+++
4++++
5+++++
------------------------------------------------
#include
using namespace std;
int main() {
int inVal;
int i;
int j;
cin >> inVal;
//Code goes here
return 0;
}
Here's the code to accomplish the task using nested for loops in C++:
#include <iostream>
using namespace std;
int main() {
int inVal;
int i;
int j;
cin >> inVal;
for (i = 0; i <= inVal; i++) {
for (j = 0; j < i; j++) {
cout << "+";
}
cout << i << endl;
}
return 0;
}
Define the term nested.
Nested refers to a situation where one construct, such as a loop or conditional statement, is placed inside another construct of the same type. For example, a nested for loop is a loop within another loop, where the inner loop is executed multiple times for each iteration of the outer loop. Similarly, a nested if statement is an if statement within another if statement, where the inner if statement is only executed if the outer if statement evaluates to true. Nesting is a common programming technique used to solve complex problems by breaking them down into smaller, more manageable parts.
This program reads an integer inVal from input and then uses nested for loops to output each number from 0 to inVal, followed by a corresponding number of plus sign characters. The output for each number is ended with a newline character.
The outer for loop iterates from 0 to inVal, while the inner loop iterates from 0 to i - 1. For each iteration of the inner loop, a plus sign character is output, and after the inner loop, the current value of i is output on a new line. The number of plus sign characters output is determined by the current value of i, since the inner loop runs i times.
Therefore, the program outputs a sequence of numbers followed by a corresponding number of plus sign characters, where the number of plus sign characters for each number increases as the number increases.
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A mass attached to the end of a spring is stretched a distance x0 from equilibrium and released.
a. At what distance from equilibrium will it have velocity equal to half its maximum velocity?
b. At what distance from equilibrium will it have acceleration equal to half its maximum acceleration? Answer in terms of x0
.
a. The mass will have a velocity equal to half its maximum velocity at a distance of 0.707x0 from equilibrium.
b. The mass will have an acceleration equal to half its maximum acceleration at a distance of 0.5x0 from equilibrium.
The motion of a mass attached to a spring is described by the equation:
x = A cos(ωt + φ)
where x is the displacement from equilibrium, A is the amplitude of the motion, ω is the angular frequency (ω = sqrt(k/m) where k is the spring constant and m is the mass), t is time, and φ is the phase angle.
The maximum velocity and acceleration occur at the equilibrium position (x=0) and are given by:
v_max = Aω
a_max = Aω^2
To find the distance from equilibrium where the velocity is half its maximum value, we can solve for the displacement x when v = v_max/2:
v = -Aω sin(ωt + φ) = v_max/2
sin(ωt + φ) = -1/2
ωt + φ = -π/6 or 7π/6
Substituting ω = sqrt(k/m) and t = T/4 (where T is the period of the motion) gives:
sqrt(k/m)T/4 + φ = -π/6 or 7π/6
Solving for A cos(φ) (which is the displacement from equilibrium) gives:
A cos(φ) = ±(sqrt(3)/2)A
Therefore, the distance from equilibrium where the velocity is half its maximum value is 0.707x0.
To find the distance from equilibrium where the acceleration is half its maximum value, we can solve for the displacement x when a = a_max/2:
a = -Aω^2 cos(ωt + φ) = a_max/2
cos(ωt + φ) = -1/2
ωt + φ = ±2π/3
Substituting ω = sqrt(k/m) and t = T/3 gives:
sqrt(k/m)T/3 + φ = ±2π/3
Solving for A cos(φ) gives:
A cos(φ) = ±0.5x0
Therefore, the distance from equilibrium where the acceleration is half its maximum value is 0.5x0.
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name three types of resistors and where it is best applied at.
Answer:
Fixed, Variable, Linear and Non-Linear Resistors & Applications
Explanation:
Spray guns atomize liquid true or false?
Answer:
True
Explanation:
Spray gun plays an one of the most important roles in spray finishing as it directs air to atomize the fluid, gives the particles sufficient velocity to reach the product surface, and shapes the pattern/texture. Hope this helps you as much as intended.
Answer: True
Explanation:
The air cap on the spray gun plays an important role in spray finishing as it directs air to atomize the fluid, gives the particles sufficient velocity to reach the product surface, and shapes the pattern.
Consider an airplane patterned after the fairchild republic a-10links to an external site., a twin-jet attack aircraft. the airplane has the following characteristics: wing area
step: 1 of 16
The static thrust is defined as such a force which is developed and applied by the jet engine on the surrounding air or earth when the airplane is at rest condition.
Power is defined as the rate of doing work with respect to time. Power is a scalar quantity and having no direction. The unit of power is J/s or watt in an hour(w) .
The expression to calculate the resultant power Ps is,
PRETV …… (1)
Here, Ps is the required power, T R is the required thrust and is the velocity of the airplane at a certain altitude.
The expression for the actual power for two engines is,
P, = 2(TV) …… (2)
Here, т. is the actual thrust and is the velocity of the airplane for a given altitude.
step: 2 of 16
Write the expression for the thrust of an airplane.
TRE W CIC) …… (3)
Here, T R is the required thrust, W is the weight of the airplane, с. is the lift polar coefficient of the airplane and Ср is the drag polar coefficient of the plane.
Write the expression for the lift polar coefficient of the airplane.
W C 1 2P. Vis …… (4)
Here, P is the air density, is the velocity of the airplane for a given altitude and S is the wing area.
Write the expression for drag polar coefficient.
C, = CD,0 + C πε(AR) …… (5)
Here, Сро is the zero-lift drag coefficient, is the Oswald’s efficiency factor and AR is the aspect ratio.
It is clear from the power required curve that maximum velocity at the altitude at 5 km is
Hence, the required maximum velocity at the altitude of 5 km is295 m/s.
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Un vendedor de camiones quiere suspender un vehículo de 4000 kg como se muestra en la figura, con fines publicitarios. La distancia b =15 m y la suma de las longitudes de los cables AB y BC es de 42 m. Los puntos A y C tienen una altura de 20 m . ¿Cuáles son las tensiones en los cables?
Answer:
english
Explanation:
locate the centroid of the shaded area between the two curves
9514 1404 393
Answer:
(x, y) = (5.76, 1 5/7)
Explanation:
The location of the centroid in the x-direction is the ratio of the first moment of area about the y-axis to the total area. Similarly, the y-coordinate of the centroid is the first moment of area about the x-axis, divided by the area.
For the moment about the y-axis, we can define a differential of area as ...
dA = (y2 -y1)dx
where y2 = √(x/k2) and y1 = k1·x^3
The distance of that area from the y-axis is simply x.
So, the x-coordinate of the centroid is ...
\(\displaystyle c_x=\frac{a_x}{a}=\frac{\int{x\cdot dA}}{\int{dA}}\\\\a_x=\int_0^{12}{x(k_2^{-1/2}\cdot x^{1/2}-k_1x^3)}\,dx=\frac{2}{5k_2^{1/2}}\cdot12^{5/2}-\frac{k_1}{5}12^5\\\\a=\int_0^{12}{(k_2^{-1/2}\cdot x^{1/2}-k_1x^3)}\,dx=\frac{2}{3k_2^{1/2}}\cdot12^{3/2}-\frac{k_1}{4}12^4\\\)
For k1 = 4/12^3 and k2=12/4^2, these evaluate to ...
\(a_x=115.2\\a=20\\c_x=5.76\)
The y-coordinate of the centroid requires we find the distance of the differential of area from the x-axis. We can use (y2 +y1)/2 for that purpose. Then the y-coordinate is ...
\(\displaystyle c_y=\frac{a_y}{a}\\\\a_y=\int_0^{12}{(\frac{y_2+y_1}{2}(y_2-y_1))}\,dx=\frac{1}{2}\int_0^{12}{(\frac{x}{k_2}-(k_1x^3)^2)}\,dx\\\\a_y=\frac{12^2}{4k_2}-\frac{k_1^212^7}{14}=\frac{240}{7}\\\\c_y=\frac{12}{7}\approx1.7143\)
The centroid of the shaded area is ...
(x, y) = (5.76, 1 5/7)
function of a regulator
Answer:
the function of the regulator in a power supply:-
A voltage regulator is a component of the power supply unit that ensures a steady constant voltage supply through all operational conditions. It regulates voltage during power fluctuations and variations in loads. It can regulate AC as well as DC voltages.
Explanation:
(❁´◡`❁)
Answer:-
The power of regulators to grant significant benefits to, or impose restrictions or penalties on, members of the public – and the extra profits to be gained from avoiding regulations – increases the risks of corruption. Regulators also have a role in collecting and protecting government revenue.
Develop rough sketches of ideas bridge
Answer:
look online
Explanation:
6.03 Discussion: Then & Now - Safety
Discussion Topic
I'm Done
In this unit, you have learned about the evolution of the industry’s machines, through both technology and innovation. These improvements have reduced risk and injury to the Operating Engineers.
Choose one innovation or device.
Explain why you think that technology is the most important advancement in Operating Engineers’ safety.
Answer:
Information technology is important in our lives because it helps to deal with every day's dynamic things. Technology offers various tools to boost development and to exchange information. Both these things are the objective of IT to make tasks easier and to solve many problems.
What competitive strategy was used by Regal Marine?
Answer:
Regal Marine uses a strategy of product differentiation, which constantly introduces new products with new innovations and new styling to stay competitive in the luxury performance boat market.
Column abc has a uniform rectangular cross section with b = 12 mm and d = 22 mm. the column is braced in the xz plane at its midpoint c and carries a centric load p of magnitude 3.9 kn. knowing that a factor of safety of 3.2 is required, determine the largest allowable length l. use e = 200 gpa. neglect the rotational stiffness of the bracing in the xz plane and the lateral stiffness of the bracing in the yz plane. (round the final answer to the nearest whole number.)
To determine the largest allowable length (l) of the column with a factor of safety of 3.2, we need to consider the buckling strength of the column.
The buckling strength of a column can be determined using the Euler's buckling formula:
P_critical = (π² * E * I) / (l_effective)²
Where:
P_critical is the critical buckling load
E is the modulus of flexibility (200 GPa)
I is the snapshot of dormancy of the segment cross-area
l_effective is the viable length of the segment
For a column with a uniform rectangular cross-section, the moment of inertia can be calculated as:
I = (b * d³) / 12
Given that b = 12 mm and d = 22 mm, we can calculate I.
Next, we need to determine the effective length of the column (l_effective). Since the column is braced at its midpoint, the effective length is half the total length:
l_effective = l / 2
Substituting the given values and solving for l in the Euler's buckling formula, we can find the largest allowable length of the column.
Once we obtain the critical buckling load (P_critical), we can then calculate the maximum allowable load (P_max) by dividing P_critical by the factor of safety (3.2):
P_max = P_critical / 3.2
By reworking the recipe, we can address for l:
l = sqrt((π² * E * I) / (P_max))
Substituting the calculated values, we can find the largest allowable length of the column (l). Finally, rounding the answer to the nearest whole number will give us the desired result.
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technician a says transistors are semiconductors. technician b says transistors function as one-way valves for current flow. who is correct?
Technician A is correct. Transistors are semiconductors that are used to amplify or switch electronic signals and electrical power. Technician B's statement is more applicable to diodes, which function as one-way valves for current flow.
Technician A is correct. Transistors are indeed semiconductors, which are materials that can conduct electricity under certain conditions but not others. They are commonly used in electronic devices as amplifiers or switches. Technician B's statement is not entirely accurate. While transistors can control the flow of current, they do not function as one-way valves. Instead, they rely on the properties of semiconductors to regulate the flow of electrons.
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The vast majority of automotive engines are of the rotary type rather than the less common piston type, because they have a longer life and produce fewer emissions. Group of answer choices True False
Answer:
False
Explanation:
Vast majority of automotive engine are mostly of the piston type, and not the rotary type engine that has long gone obsolete. The piston type engine has a longer life when compared to the rotary engine, and emission is less. The emission from the rotary engine was exacerbated by the fact that the lubricant was added with the fuel directly into the engine, whereas the piston type engine has a and separate channel for fuel and lubricant.
what is the relationship between turtuosity and diffusion?
Describe how self-healing polymers could be useful in the construction of
plastic frames for glasses and sunglasses.
Answer:
This can be achieved through the use of a built-in fiber-optic network of cables that deliver light and heat energy to the point of breakage.
Explanation:
Self-healing polymers are materials designed to aid the internal healing of materials like plastics, and metals. Shape-memory materials used in the making of plastic frames for glasses and sunglasses allow these materials to snap back into shape when they crack.
This is possible because heat is needed to help a deformed material regain its shape. Built-in fiber-optic network of cables serve the purpose of delivering heat to the deformed or cracked area, thus helping them to regain their shape.