In MATLAB, you can perform the following tasks:
a. To display a root locus and pause, you can use the "rlocus" function in MATLAB. This function generates the root locus plot for a given transfer function. After plotting the root locus, you can use the "pause" function to pause the execution and visualize the plot.
b. To draw a close-up of the root locus with specific axes limits, you can modify the root locus plot using the "xlim" and "ylim" functions. Set the x-axis limits to [2, 0] and the y-axis limits to [2, -2] using these functions.
c. To overlay the 10% overshoot line on the close-up root locus, you can plot a line at the 10% overshoot value. Use the "line" function to draw a line with the desired slope and intercept on the root locus plot.
d. To interactively select the point where the root locus crosses the 10% overshoot line, you can use the "ginput" function. This function allows you to select a point on the plot using the mouse. Obtain the coordinates of the selected point and calculate the corresponding gain at that point. Additionally, use the "rlocfind" function to find the closed-loop poles at that gain.
Generating the step response at the selected gain for 10% overshoot can be done using the "step" function in MATLAB. Provide the closed-loop transfer function with the selected gain to the "step" function to obtain the step response plot.
In summary, using MATLAB, you can display a root locus plot, draw a close-up of the plot with specific axes limits, overlay the 10% overshoot line, interactively select the point of intersection, and calculate the gain and closed-loop poles at that point. Finally, you can generate the step response at the selected gain for 10% overshoot using the "step" function.
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The reason why the sign-magnitude method for representing signed numbers is not used in most computers can readily be illustrated by performing the following. a) Represent + 12 in eight bits using the sign-magnitude form. b) Represent - 12 in eight bits using the sign-magnitude form. c) Add the two binary numbers and note that the sum does not look anything like zero.
The sum of the two binary numbers is not zero, which is why the sign-magnitude method for representing signed numbers is not used in most computers.
The sign-magnitude method for representing signed numbers is not used in most computers because of its limitation. The sign-magnitude representation for numbers has a few limitations, which is why it is not used in most computers. One of the biggest drawbacks is that it requires two representations for zero, which makes arithmetic operations difficult. When performing arithmetic operations on numbers represented using the sign-magnitude method, we must first examine the signs of the operands to determine the operation to perform. We'll look at the steps to represent +12 in eight bits using the sign-magnitude form and represent -12 in eight bits using the sign-magnitude form. Finally, we'll add the two binary numbers and note that the sum does not look like zero.To represent +12 in eight bits using the sign-magnitude form, follow the below steps:Step 1: Convert the absolute value of 12 into binary form.1100 is the binary representation of 12.Step 2: Since the number is positive, the leftmost bit must be 0. As a result, the final binary representation is 01100.01100 is the sign-magnitude representation of +12.To represent -12 in eight bits using the sign-magnitude form, follow the below steps:Step 1: Convert the absolute value of 12 into binary form.1100 is the binary representation of 12.Step 2: Since the number is negative, the leftmost bit must be 1. As a result, the final binary representation is 11100.11100 is the sign-magnitude representation of -12.Adding the two binary numbers gives:01100+11100=101000As we can see, the sum of the two binary numbers is not zero, which is why the sign-magnitude method for representing signed numbers is not used in most computers.
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Estimate the heating energy requirements for a residential building using the degree-day method (a) in Denver, Colorado, and (b) in Little Rock, Arkansas. The overall heat loss coefficient is 400 Btu/h.oF and the furnace efficiency is 0.78.
Answer:
a) 600°F days
b) 103°F days
Explanation:
Given data :
overall heat loss coefficient = 400 Btu/h.oF
Furnace efficiency = 0.78
applying the degree- day method the heating energy requirement per day can be obtained by subtracting the average temperature for a particular day from the acceptable mid/balance point temperature
lets assume the mid/balance point temperature = 65°F
a) heating energy requirement in Denver Colorado
we will have 600°F days ; considering the the average temperature - balance point temperature
= 665 - 65 = 600°F
b) heating energy requirement in Little Rock Arkansas
we will have 103° days
Which of the following would zoning ordinances not address?
how tall a skyscraper can be
how much revenue a restaurant must make
how far from a school a power plant must be
how many parking spots a mall must have
What is the last step in the engineering design process?
A. Implement the tested and optimized design on a broad scale.
B. Build and test a prototype.
C. Identify the problem or need.
D. Determine the constraints and criteria for the solution.
Answer:
Engineering Design Loop: The steps of the design process include: identify the need, research the problem, develop possible solutions, select the most promising solution, construct a prototype, test and evaluate the prototype, communicate the design, and redesign.
Explanation:
What is the first thing a technician should check when a new drive is not recognized by the operating system
The first thing a technician need to check if a new drive is not recognized by the operating system are:
Look at the Hard Drive Cable Connection.Do Initialize and then Format Hard Drive.Why does Hard Drive Not Showing Up in system?The issues on how to fix it are:
Check and then one can change Hard Drive ConnectionDo Format Hard Drive to NTFS. Recover Data and make a Partition.Hence, The first thing a technician need to check if a new drive is not recognized by the operating system are:
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onsider a venturi with a throat-to-inlet area ratio of 0.8, mounted on the side of an airplane fuselage. the airplane is in flight at standard sea level. if the static pressure at the throat is 2100 lb/ft2, calculate the velocity of the airplane.
system dependent recovery equipment cannot be used when
System dependent recovery equipment cannot be used when it is not compatible with the specific system or technology being used for recovery.
This is because different systems may have different requirements and specifications for the equipment being used, and using incompatible equipment could lead to further damage or even complete failure of the recovery process. Therefore, it is important to ensure that the recovery equipment being used is compatible with the system being used, or to use system-agnostic recovery equipment that can work with multiple systems. These tools are designed to assist in troubleshooting, repairing, and restoring system functionality as quickly and efficiently as possible. The specific equipment required may vary depending on the type of system and the nature of the recovery operation. Here are some examples:
Backup and Restore Systems: These include backup servers, tape drives, disk arrays, or cloud-based backup services that facilitate the recovery of data and applications from backupsUninterruptible Power Supply (UPS): UPS devices provide temporary power during a power outage or fluctuation, allowing systems to be properly shut down or continue running until power is restoredData Recovery Tools: Specialized software and hardware tools for recovering data from damaged or corrupted storage devices, such as hard drives, solid-state drives, or memory cardsNetwork Recovery Equipment: This may include network monitoring tools, network switches, routers, or firewalls used to diagnose and repair network issues or restore network connectivityDiagnostic and Repair Tools: These tools help identify hardware or software failures, such as diagnostic software suites, cable testers, voltage testers, and hardware diagnostic cardsSpare Parts and Component Replacements: System-dependent recovery often requires spare parts and replacement components, such as power supplies, hard drives, memory modules, or network cardsDisaster Recovery Planning Tools: These tools assist in creating, managing, and implementing comprehensive disaster recovery plans, including documentation, backup scheduling, and recovery proceduresVirtualization and Cloud Recovery Solutions: Virtualization software or cloud-based recovery services enable the rapid deployment of systems and applications on alternative hardware or cloud infrastructure in the event of a system failurePhysical Security Equipment: Physical security measures like surveillance cameras, access control systems, and alarms play a crucial role in protecting systems and infrastructure from unauthorized access, theft, or damageEmergency Communication Systems: In situations where communication channels are disrupted, emergency communication equipment such as satellite phones, two-way radios, or backup internet connections can facilitate communication among recovery teams.To know more about passive system dependent recovery system, visit the link : https://brainly.com/question/13686168
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Which option best describes a way engineers can provide maintenance, diagnoses, upgrades, or duplicates even for products they didn't design?
Answer:
Reverse Engineering
Explanation:
Just took the test
Fast fourier transforms (FFT) are algorithms that speed up the computation of fourier coefficients compared to the traditional direct form discuss how the speed up is achieved
Answer:
Fast Fourier ( FFT ) algorithms speed up computation of Fourier coefficients by simply reducing the the computing time of a traditional direct form Fourier series. it achieves this by breaking complex DFTS into smaller DFTS to reduce its complexity and in turn reduce its computing time
Explanation:
Fast Fourier ( FFT ) algorithms speed up computation of Fourier coefficients by simply reducing the the computing time of a traditional direct form Fourier series. it achieves this by breaking complex DFTS into smaller DFTS to reduce its complexity and in turn reduce its computing time. an example of such FFT is Cooley-Tukey algorithm
A series circuit has 4 identical lamps. The potential difference of the energy source is 60V. The total resistance of the lamps is 20 Ω. Calculate the current through each lamp.
Answer:
\(I=3A\)
Explanation:
From the question we are told that:
Number of lamps \(N=4\)
Potential difference \(V=60v\)
Total Resistance of the lamp is \(R= 20ohms\)
Generally the equation for Current I is mathematically given by
\(I=\frac{V}{R}\)
\(I=\frac{60}{20}\)
\(I=3A\)
Question 22
Marks: 1
The EPA requires that toxic waste incinerators achieve a destruction and removal rate of ______ before the material is landfilled.
Choose one answer.
a. 99.99 percent
b. 95.00 percent
c. 98.00 percent
d. 15.00 percent
The correct answer to the question is a. 99.99 percent The EPA, or Environmental Protection Agency, is responsible for regulating the disposal of hazardous waste in the United States. One of the requirements for toxic waste incinerators is to achieve a destruction and removal rate, or DRE, before the material can be safely landfilled.
The DRE represents the percentage of hazardous waste that is destroyed through the incineration process. This means that the incinerator must be able to destroy at least 99.99 percent of the hazardous waste before it can be disposed of in a landfill. This high DRE requirement ensures that as little hazardous waste as possible is left over after incineration, minimizing the risk of environmental contamination and harm to public health.
In summary, the EPA requires a high DRE rate for toxic waste incinerators to ensure that hazardous waste is effectively and safely disposed of, minimizing the risk of waste-related environmental destruction and harm.
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Can anyone tell me all the corrects answers to these? I’m sorry if this is the wrong subject I’m not sure what to put it under but I really need help!
Answer:
Crankshaft position sensor - F I can't quite make out the letter but it's the thing at the bottom almost touching the notched wheel.
Coil Module - B
Knock Sensor - D
Coil Pack -E
Fuse Block - A
Powertrain Control Module - C
Define hermetic compressor
Answer:
Hermetic compressors are ideal for small refrigeration systems, where continuous maintenance cannot be ensured.
4. A banking system provides users with several services:
(a) to check their accounts to see recent transactions and balances;
(b) to pay bills online;
(c) to buy and sell investments.
All of these services require a secure log-in. If the system crashes or the network
connection fails during a transaction, all the financial data must be left in a consistent
state.
a. Draw use case diagrams for these requirements. Use standard symbols and shapes. MS
Office Visio, Lucidchart, draw.io, Creately, Smartdraw or Figma are optional tools
b. Give the use case specification for paying a bill online.
A diagram showing a use case diagrams for these requirements is given in the image attached.
What is system Case diagram?A use case diagram is known to be a kind of graphical illustration of a users in terms of their various possible association or interactions within any given system.
A use case diagram in banking can be used to prepare, depict and also to know all the functional requirements of the banking system.
Therefore, Give the use case specification for the banking system services and paying a bill online is given in the image attached.
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Jessica wants to create business cards for her interior design business. Which digital media tool should she use?
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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describe how actual internal combustion engine cycle otto thermal efficiency differ from the ideal one at the same power output.
The ideal Otto cycle has a higher thermal efficiency than an actual internal combustion engine due to the limitations of real-world components and the environment. The power output of the two cycles remains the same, however the actual internal combustion engine requires more energy to run at the same power output. This is because actual internal combustion engines have higher pressure drops, incomplete combustion, friction, and heat losses that are not present in the ideal cycle.
The actual internal combustion engine cycle Otto thermal efficiency differs from the ideal one at the same power output. Below are the differences: Actual internal combustion engine cycle Otto thermal efficiency and ideal one at the same power output The actual internal combustion engine cycle Otto thermal efficiency differs from the ideal one at the same power output. The reasons are given below: In the internal combustion engine cycle, the fuel combustion process is not always perfect, and in some instances, incomplete combustion may occur. As a result, the fuel does not combust completely, and a portion of the energy is wasted as waste heat. Because of this waste, the actual thermal efficiency of the engine is decreased. On the other hand, in an ideal Otto cycle, the combustion process is 100% efficient, resulting in no waste heat. As a result, the thermal efficiency of an ideal Otto cycle is greater than that of an actual cycle.
Otto Cycle
The Otto Cycle, which was developed in 1876 by German engineer Nicolaus Otto, is the most widely used internal combustion cycle for gasoline engines. It is a theoretical cycle that is not perfectly efficient, but it is often used as a standard to compare other engines with. In a four-stroke engine, the Otto cycle is employed to power the vehicle. It consists of four strokes: intake, compression, power, and exhaust. The cycle is theoretical because it assumes ideal conditions.
The efficiency of an internal combustion engine can be improved by increasing the engine compression ratio, which results in more fuel burning and less energy waste.
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while viewing a site plan, you notice that the contour lines have elevation numbers that increase toward the middle. this would indicate a
while viewing a site plan, you notice that the contour lines have elevation numbers that increase toward the middle. this would indicate a hill
On your map, contour lines indicate the height above sea level at various locations. On a map, the relief depicts the elevational difference between two places. You may calculate the relief or elevation change between two points by removing the elevation differences between them.
On a topographic map, a contour line is a line drawn to denote a dip or elevation of the ground. The vertical separation or elevation difference between contour lines is known as a contour interval. Every fifth contour line has an index contour, which is a bolder or thicker line.
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A simple Rankine cycle uses water as the working fluid. The boiler operates at 6000 kPa and the condenser at 50 kPa. At the entrance of the turbine the temperature is 450 deg C. The isentropic efficiency of the turbine is 94 percent, pressure and pump losses are negligible, and the water in the condenser is subcooled by 6.3 degC. The boiler is sized for a mass flow rate of 20 kg/s. Determine the rate at which heat is added in the boiler, the power required to operate the pumps, the net power produced by the cycle, and the thermal efficiency.
Answer:
the rate at which heat is added in the boiler = 59597.4 kW
the power required to operate the pumps = 122.57 kW
The net power produced by the cycle = 17925 kW.
The thermal efficiency = 30%.
Explanation:
The specific enthalpy of saturated liquid is equal to the enthalpy of the first point which is equal to 314 kJ/ kg.
The second enthalpy is calculated from the pump work. Therefore, the second enthalpy = first enthalpy point + specific volume of water [ the pressure of the boiler - the pressure of the condenser].
The second enthalpy = 314 + 0.00103 [ 6000 - 50 ] = 320.13 kJ/kg.
The specific enthalpy for the third point = 3300 kJ/kg.
Therefore, the rate at which heat is added in the boiler = 20 × [3300 - 320.13] = 59597.4 kW.
The rate at which heat is added in the boiler = 59597.4 kW.
Also, the power required to operate the pumps = 20 × 0.00103 [6000 - 50] = 122.57 kW.
The power produced by the turbine = 20 [ 300 - ( the fourth enthalpy value)].
The fourth enthalpy value = 3300 - 0.94 [ 3300 - 2340] = 2397.6 kJ/kg
Thus, the power produced by the turbine = 20 [ 300 - 2397.6] = 18048 kW.
The power produced by the turbine = 18048 kW.
The net power produced = 18048 + 122.57 = 17925 kW.
The thermal efficiency = [net power produced] / [the rate at which heat is added in the boiler].
The thermal efficiency = 17925/ 59597.4 = 30%.
What is the lighting load for a two-story dwelling unit where each floor has 900 square feet of space?
The lighting load for a two-story dwelling unit where each floor has 900 square feet of space can be determined using the National Electrical Code (NEC) standard. The NEC provides standard rules and methods for electrical installation and safety.
The lighting load calculation involves a simple formula for determining the required watts per square foot.For general illumination, NEC specifies a lighting load of 3 watts per square foot. Therefore, for a two-story dwelling unit where each floor has 900 square feet of space, the lighting load can be calculated as follows:Total square footage of the house = 2 × 900 sq ft = 1800 sq ftLighting load = Total square footage of the house × 3 watts/sq ft= 1800 sq ft × 3 watts/sq ft= 5400 wattsThe lighting load for a two-story dwelling unit where each floor has 900 square feet of space is 5400 watts.
It is important to note that this calculation does not include any additional lighting requirements for specific rooms, such as kitchens, bathrooms, or home offices. These areas may require additional lighting based on their intended use, and the calculation should be adjusted accordingly.
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B/ Evaluate e^(πi/2)
You get a result immediately from Euler's formula:
e ^(i π/2) = cos(π/2) + i sin(π/2) = 0 + i * 1 = i
The drum has a mass of 50 kg and a radius of gyration about the pin at O of 0.23 o k m = . If the 15kg block is moving downward at 3 / m s , and a force of P N =100 is applied to the brake arm, determine how far the block descends from the instant the brake is applied until it stops. Neglect the thickness of the handle. The coefficient of kinetic friction at the brake pad is 0.5 k = .
Note: The diagram referred to in this question is attached as a file below.
Answer:
The block descended a distance of 9.75m from the instant the brake is applied until it stops.
Explanation:
For clarity and easiness of expression, the calculations and the Free Body Diagram are contained in the attached file. Check the attached file below.
The block descended a distance of 9.75 m
Tech B says that in a four-stroke engine, the piston travels to TDC four times to complete the cycle. Tech B says that in a four-stroke engine, the air-fuel mixture is ignited once every two strokes. Who is correct
Tech B is correct: In a four-stroke engine, the piston reaches TDC twice per cycle, and the air-fuel mixture is ignited once every two strokes.
In a four-stroke engine, the piston travels to Top Dead Center (TDC) two times to complete the entire cycle.
During the first stroke (intake), the air-fuel mixture is drawn into the cylinder, and during the fourth stroke (power), the ignited air-fuel mixture produces power and the piston again reaches TDC.
This means that the piston reaches TDC twice during one complete cycle.
Additionally, Tech B is also correct in stating that the air-fuel mixture is ignited once every two strokes.
The ignition happens during the power stroke (fourth stroke) after the compression stroke (third stroke).
Hence, tech B is correct.
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Complete question:
Tech A says that in a four-stroke engine, the piston travels to TDC four times to complete the cycle. Tech B says that in a four-stroke engine, the air-fuel mixture is ignited once every two strokes. Who is correct
an aerial photograph taken at 3000m above ground surface, the top and bottom distances of a telecommunication tower are 4.65cm and 4.5cm from the principal point, the bottom of the tower is 2700 above mean sea level.
determine tower height.
Un mol de gas ideal realiza un trabajo de 3000 J sobre su entorno, cuando se expande de manera isotermica a una temperatura de 58°C, cuando su volumen inicial es de 25 L. Determinar el volumen final
Answer:
74,4 litros
Explanation:
Dado que
W = nRT ln (Vf / Vi)
W = 3000J
R = 8,314 JK-1mol-1
T = 58 + 273 = 331 K
Vf = desconocido
Vi = 25 L
W / nRT = ln (Vf / Vi)
W / nRT = 2.303 log (Vf / Vi)
W / nRT * 1 / 2.303 = log (Vf / Vi)
Vf / Vi = Antilog (W / nRT * 1 / 2.303)
Vf = Antilog (W / nRT * 1 / 2.303) * Vi
Vf = Antilog (3000/1 * 8,314 * 331 * 1 / 2,303) * 25
Vf = 74,4 litros
An engine has been diagnosed with blowby. Technician a says the engine could have a cracked flywheel. Technician b says the compression rings could be worn. Who is right?.
When an engine has been diagnosed with blowby, technician B is only correct who states that the compression rings could be worn.
Engine blowby happens when a mixture of combustion gases or air-fuel leaks between the pistons and cylinder wall into the crankcase of the engine because of the lose pistons's rings. Engine blowby can occur within both gas and diesel engines. Minor levels of engine blowby are normal but excessive levels of engine blowby are an indicator of larger issues. So technician B says correctly.
While technician A is not right to say that a cracked flywheel could be a reason for the blowby engine.
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1. (4pt) what is tail recursion? why is it important to define functions that use recursion to make repetition tail recursive
Tail recursion is a programming technique where the recursive call is the last operation performed in a function. It is important to define functions that use recursion in a tail-recursive manner because it allows for more efficient memory usage and avoids stack overflow errors.
Why is it essential to define recursive functions in a tail-recursive manner?Tail recursion ensures that recursive functions are optimized for efficiency and prevent potential stack overflow errors. When a recursive call is made in a tail-recursive function, the current state and context of the function can be replaced by the new recursive call, eliminating the need to store the previous state on the call stack.
This optimization reduces memory usage and allows the program to handle larger inputs without running out of stack space.
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Modern vehicles complex systems perform all of the following functions except
Modern cars' complex systems perform all the foregoing functions, with the exception of assisting in the preservation of resale value.
It includes complex electrical, electronic, or physical systems that are meant to enhance economy, decrease emissions, or keep vehicle passengers safe.The primary systems of a car are the engines, fuel tank, gearbox, electrical grid, cooling & lubricating system.In this, the chassis comprises the suspension, braking system, rims, and bodywork.Modern cars' sophisticated systems fulfill all of the foregoing purposes, except for assisting in the retention and residual value.Therefore, the answer is "helping retain resale value".
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A glass of water with a mass of 0.45kg at 20∘C is to be cooled to 0∘C by dropping ice cubes at 0∘C into it. The latent heat of fusion of ice is 334kJ/kg, and the specific heat of water is 4.18kJ/kg⋅∘C. The amount of ice that needs to be added is.
By using the concept of heat transfer, we need to add 0.045kg or 45g of ice to the glass of water to cool it from 20∘C to 0∘C.
The heat lost by the water is equal to the heat gained by the ice cubes. We can use the following equation to calculate the heat transfer:
Q = m_w * c_w * ΔT + m_i * L_f
where Q is the heat transfer, m_w is the mass of water, c_w is the specific heat of water, ΔT is the temperature change (20-0 = 20∘C), m_i is the mass of ice, and L_f is the latent heat of fusion of ice.
We know the values of m_w (0.45kg), c_w (4.18kJ/kg⋅∘C), ΔT (20∘C), and L_f (334kJ/kg). We can rearrange the equation to solve for m_i:
m_i = (Q - m_w * c_w * ΔT) / L_f
Substituting the values, we get:
m_i = [(0.45kg) * (4.18kJ/kg⋅∘C) * (20∘C) - 0] / (334kJ/kg
m_i = 0.045kg
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Which of the following is an example of a tax
Answer:
A tax is a monetary payment without the right to individual consideration, which a public law imposes on all taxable persons - including both natural and legal persons - in order to generate income. This means that taxes are public-law levies that everyone must pay to cover general financial needs who meet the criteria of tax liability, whereby the generation of income should at least be an auxiliary purpose. Taxes are usually the main source of income of a modern state. Due to the financial implications for all citizens and the complex tax legislation, taxes and other charges are an ongoing political and social issue.
I dont know I asked this to
Explanation: