Given the lists listi and list that are of the same length, create a new list consisting of the first element of listi followed by the first element of list2, fol lowed by the second element of listi, followed by t he second element of list2, and so on (in other wor ds the new list should consist of alternating elements of listi and list2). For example, if listi contained [1, 2, 3] and list2 contained [4, 5, 6], then the new I ist should contain (1, 4, 2, 5, 3, 6]. Assign the new list to the variable list3.

Answers

Answer 1

To create a new list, list3, consisting of alternating elements from listi and list2, you can use a simple loop to iterate through the indices of the lists and append the corresponding elements to list3.

Here's an example of how you can achieve this:python

Copy code

listi = [1, 2, 3]

list2 = [4, 5, 6]

list3 = []

for i in range(len(listi)):

   list3.append(listi[i])

   list3.append(list2[i])

print(list3)

Output:

csharp

Copy code

[1, 4, 2, 5, 3, 6]

In this example, the loop iterates through the indices of listi (or list2 since they have the same length) using the range(len(listi)) expression. For each index i, it appends the i-th element of listi followed by the i-th element of list2 to list3. Finally, we print list3 to verify the result.

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Related Questions

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?.

Answers

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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Problem 1
An engine piston-cylinder assembly contains gas at a pressure of 96 kPa. The gas is compressed according to p = aV + b where a = -1200 kPa/m3 and b = 600 kPa. Determine the work done on the gas during this process if the final pressure is 456 kPa.

Answers

The work done on the gas during this process if the final pressure is 456 kPa is; -82.8 kJ

Workdone in Thermodynamics

We are given;

The initial pressure; P₁ = 96 kPa

Final Pressure; P₂ = 456 kPa

The gas is compressed according to;

p = aV + b

where;

a = -1200 kPa/m³

b = 600 kPa

Thus, at initial pressure P₁ = 96 kPa;

96 = -1200V₁ + 600

1200V₁ = 600 - 95

1200V₁ = 505

V₁ = 505/1200

V₁ = 0.42 m³

At Final Pressure P₂ = 456 kPa;

456 = -1200V₂ + 600

1200V₂ = 600 - 456

1200V₂ = 144

V₂ = 144/1200

V₂ = 0.12 m³

Formula for the workdone during the process is;

W_out = ¹/₂(P₁ + P₂)(V₂ - V₁)

W_out = ¹/₂(96 + 456)(0.12 - 0.42)

W_out = -82.8 kJ

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Active-active architecture provides _______ in the event one application fails. Select an answer: a. mirroring rb. edundancy c. auto-recovery d. resiliency

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Active-active architecture provides _______ in the event one application fails. Select an answer: a. mirroring rb. edundancy c. auto-recovery d. resiliency

Active-active architecture provides redundancy in the event one application fails.

What is redundancy?

Active-active architecture provides redundancy in the event one application fails. This means that multiple instances of the same application or service are running simultaneously, allowing for continued operation even if one of the instances fails. This can improve the overall resiliency and reliability of the system.

In general, redundancy refers to the inclusion of extra components or resources in a system that serve as backups in case the primary components fail. This can include things like backup power supplies, extra data storage, or multiple copies of the same application or service running simultaneously.

The goal of redundancy is to improve the overall reliability and resiliency of a system by providing fail-safes that can take over in the event of a failure. This can help prevent outages or downtime and ensure that the system continues to function even in the face of unexpected problems.

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the wooden framework built to support and arch during construction is called

Answers

The wooden framework built to support an arch during construction is called a "centering" or "formwork."

Centering refers to the temporary structure that is made of wooden beams and planks that are used to support the weight of the arch and any construction materials until the arch is completed and can support itself.

The centering provides stability and helps maintain the shape of the arch during the construction process. Once the arch is fully constructed and set, the centering is removed. The careful placement and alignment of the centering are crucial to ensure the accurate and precise construction of the arch.

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HELPPPPP Which option identifies the government agency responsible for monitoring the situation in the following scenario? A salmonella outbreak in 2012 was caused by frozen raw yellowfin tuna. More than 100 people became sick from eating the contaminated tuna. Food and Drug Administration Environmental Protection Agency Forest Service Department of Agriculture

Answers

Answer:

Food and drug admin

Explanation:

Using the Bowen’s reaction series, explain how different Igneous rocks are formed from

magma

Answers

Bowen’s reaction series is used to understand the order of minerals that form during the cooling of magma or lava.

The minerals are categorized into two groups: the discontinuous and continuous series.The continuous series: The continuous series of minerals form in rocks that are high in silica and are formed in conditions of slow cooling. The minerals in the series are plagioclase feldspar, sodium-rich plagioclase, and potassium feldspar. Sodium-rich plagioclase feldspar crystallizes in rocks at higher temperatures than calcium-rich feldspar.

The sequence is a result of calcium being displaced by sodium. The discontinuous series: The minerals in this series form in rocks that are lower in silica and are formed under conditions of rapid cooling. The minerals are olivine, pyroxene, amphibole, and biotite mica. The sequence of minerals is due to differences in their melting points and the rate of cooling of the magma. Minerals that have higher melting points are the first to crystallize, while minerals with lower melting points crystallize last.

Olivine forms at higher temperatures than pyroxene, pyroxene at higher temperatures than amphibole, and amphibole at higher temperatures than biotite mica. The discontinuous series minerals are the first to crystallize out of the magma as it cools.The different igneous rocks that are formed from magma are dependent on the minerals present in the rock and the rate of cooling of the magma.

If magma cools slowly, minerals will have time to form larger crystals, which result in rocks with a coarse texture. If the magma cools quickly, the minerals will have little time to form large crystals, resulting in rocks with a fine texture. Magma that is rich in silica will result in felsic rocks, while magma that is poor in silica will result in mafic rocks. Granite and rhyolite are examples of felsic rocks, while basalt and gabbro are examples of mafic rocks.

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Imagine that, for only ONE of the force sensors, there was an angle ϴ between the direction the string was pulling and the direction the force sensor can measure. Would that force sensor read high or low?

Answers

The force sensor would read low. When there is an angle ϴ between the direction the string pulls and the sensor's measuring direction.

the measured force is the component of the force vector in the sensor's direction. As ϴ increases, the component of the force vector in the sensor's direction decreases, resulting in a lower reading on the force sensor. The force sensor measures the force along its measuring direction, so any deviation from that direction reduces the measured force value. The force sensor would read low. When there is an angle ϴ between the direction the string pulls and the sensor's measuring direction, the measured force would be lower due to the reduction in the component of the force vector along the sensor's measuring direction.

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A ________ pretends to be a legitimate company and sends emails requesting confidential data.

Answers

A phisher pretends to be a legitimate company and sends emails requesting confidential data.

What is confidential data?

Confidential data is information which is not generally available to the public. In general, personally identifiable information, such as health information, addresses, prior work experience, and financial data, is considered private. Businesses are obligated by federal and state legislation (changing by state) to create and enforce rules and processes designed to prevent unauthorised retrieval of private information. Employee information, management information, as well as business information are the three broad categories of confidential data.

Phishing is a similar approach for collecting unauthorised data that use email pretexting. The phisher poses as a respectable organisation and sends an email asking sensitive information.

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What is the hardest part of thermodynamics?

Answers

Answer:

I would say that the hardest part about learning Thermodynamics is the generality and abstractness of it all.

Explanation:

Which of the following is NOT a peripheral?
Input devices
Output devices
CPU devices
Input/Output devices

Answers

Answer:

I believe that cpu devices are not considered peripherals

Explanation:

From google: A peripheral or peripheral device is an ancillary device used to put information into and get information out of the computer.

calculate the input impedance for the network in the figure, when r1 = 14 ω and jxl1 = j14 ω.

Answers

The input impedance for the network in the figure is j7 Ω.

The network given in the question is as follows:

We have to calculate the input impedance for the network given in the question when r1 = 14 ω and jxl1 = j14 ω.

The impedance of a circuit is the combination of resistance, inductance, and capacitance. The impedance of a circuit is a measure of the circuit's resistance to current flow when a voltage is applied.

Input impedance is the impedance seen at the input terminals of a circuit. The circuit's input impedance is the impedance it offers to an incoming signal.

To calculate the input impedance for the given network, we need to find the impedance for the components connected in parallel, i.e., R1 and Xl1.

Input impedance, Zin = V/I

Where V is the voltage applied to the circuit and I is the current flowing through the circuit.

Impedance of R1:ZR1 = R1 = 14 Ω

Impedance of XL1:XL1 = j14 Ω

The equivalent impedance of R1 and XL1 in parallel is:

Zeq = (XL1 R1) / (XL1 + R1) = (j14 × 14) / (j14 + 14) = (j196 / 28) = j7

Therefore, the input impedance for the network in the figure is j7 Ω.

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A substance is malleable, conducts heat, and is used in wiring. How would we classify this substance?.

Answers

A substance that is malleable, conducts heat, and is used in wiring would be classified as a metal.

The properties of a substance.

In Science, some examples of the mechanical and physical properties of substances used in the construction of buildings include the following:

DensityConductivityResistivityElasticity/stiffnessCorrosionDuctility/malleabilityFracture

What is conduction?

Conduction can be defined as a process which involves the transfer of electric charge or thermal energy due to the movement of particles. Thus, when the conduction relates to electric charge, it is referred to as electrical conduction while when it relates to thermal energy, it is known as heat conduction.

In conclusion, we can infer and logically deduce that a substance that is malleable, conducts heat, and is used in wiring would be classified as a metal.

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Define a recursive function SINGLETONS such that if e is any list of numbers and/or symbols then (SINGLETONS e) is a set that consists of all the atoms that occur just once in e. Examples: (SINGLETONS ( ))-> NIL (SINGLETONS '(G A B C B))-> (G A C) SINGLETONS '(H G ABCB))(HGAC) (SINGLETONS (AGABC B)) (G C) SINGLETONS '(B GA BCB))(GAC) [Hint: When e is nonempty, consider the case in which (car e) is a member of (cdr e), and the case in which (car e) is not a member of (edr e).]

Answers

To define the recursive function SINGLETONS, we can start by checking the base case where the input list e is empty. In this case, the function should return NIL as there are no atoms in the list.

For non-empty lists, we can consider two cases.
First, if the first element (car e) occurs more than once in the rest of the list (cdr e), then we can simply ignore it and recursively call SINGLETONS on the rest of the list (cdr e).
On the other hand, if the first element (car e) occurs only once in the rest of the list (cdr e), then we need to include it in our result set. We can achieve this by using the built-in function member to check if the element occurs in the rest of the list, and using cons to add it to the result set.
We can combine these cases in the following function:```
(defun SINGLETONS (e)
 (cond
   ((null e) nil) ; base case
   ((member (car e) (cdr e)) (SINGLETONS (cdr e))) ; ignore repeated element
   (t (cons (car e) (SINGLETONS (cdr e)))) ; add unique element to result set
 ))
```
Here, the function starts by checking if the input list e is empty. If so, it returns nil as there are no atoms in the list. Otherwise, it checks if the first element (car e) occurs more than once in the rest of the list (cdr e) using the member function. If it does, we simply ignore it and recursively call SINGLETONS on the rest of the list (cdr e).
If the first element occurs only once in the rest of the list, we add it to our result set using cons, and recursively call SINGLETONS on the rest of the list. The function returns the final result set of unique atoms that occur only once in the input list.
With this function, we can now use it to find the set of unique atoms that occur only once in any list of numbers and/or symbols.

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It is desired to produce a continuous and oriented carbon fiber-reinforced epoxy having a modulus of elasticity of at least 83 GPa in the direction of fiber alignment. The modulus of elasticity of the graphite fiber is 260 GPa, and the modulus of elasticity of the epoxy is 2.4 GPa. What is the minimum volume fraction of fibers required to meet this requirement. (this is a Chapter 16 problem) Answer: the minimum fiber volume fraction is:__________

Answers

Answer:

0.3129

Explanation:

Calculate The minimum fiber volume fraction using the relation below

E = x * E1 + ( 1 - x ) E2  ------ ( 1 )

given that :

E = 83 GPa , x = ?

E1 = 260 GPa ,  E2 = 2.4 GPA

Insert values back into equation 1

Then ; 80.6 = 257.6 x

∴ x ( volume fraction ) = 80.6 / 257.6  = 0.3129

padded dashboards in cars are safer in an accident than non padded ones because passengers hitting the dashboard encounter a _____

Answers

Padded dashboards in cars are safer in an accident than non padded ones because passengers hitting the dashboard encounter a: (A) increased time of impact.

What is an automobile?

In Engineering, an automobile is also referred to as a car or motorcar and it can be defined as a four-wheeled vehicle that is designed and developed to be propelled by an internal-combustion (gasoline) engine, especially for the purpose of transportation from one location to another.

Generally speaking, a padded dashboards in automobile vehicles (cars) are safer in the course of an accident than non-padded dashboards because a passenger who hits the dashboard is most likely to encounter a lengthened time of contact or an increased time of impact, which may eventually lead to casualties.

In conclusion, it is very important to purchase automobile vehicles (cars) with a padded dashboard by the manufacturer.

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Complete Question:

Padded dashboards in cars are safer in an accident than non padded ones because passengers hitting the dashboard encounter a _____?

(a) increased time of impact

(b) decreased impulse

(c) increased force

(d) increased impulse.

a low carbon steel is heated to a temperature below the lower transformation temperature before cooling in an effort to soften it slightly. which is the heat treating process being performed?

Answers

The heat treating process being performed when a low carbon steel is heated to a temperature below the lower transformation temperature before cooling in an effort to soften it slightly is known as annealing.

Annealing is a heat treatment process that involves heating a metal to a specific temperature and holding it there for a certain amount of time before allowing it to cool down slowly. The purpose of annealing is to make a metal softer, more ductile, and more machinable. It also improves its toughness and makes it easier to form.Annealing can be done in several different ways, including full annealing, stress relief annealing, and spheroidizing annealing.

Full annealing involves heating the metal to a temperature above its upper critical temperature, holding it there for a period of time, and then allowing it to cool down slowly. Stress relief annealing involves heating the metal to a lower temperature and holding it there for a shorter period of time, while spheroidizing annealing is used to improve the machinability of high-carbon steels.

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html5 does not support modern web media true or false

Answers

The statement is False.

HTML5 is designed to support modern web media. It introduced many new elements and APIs specifically for handling multimedia content on the web, including audio and video elements, canvas for graphics rendering, and the Web Audio API for advanced audio processing. These features enable developers to create rich and interactive web experiences with modern media elements.

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Water that has evaporated returns to earth as

Answers

Answer:

rain

Explanation:

evaoration causes clouds

clouds condense and rain

Answer:

rain

Explanation:

Suppose an underground storage tank has been leaking for many years, contaminating a groundwater and causing a contaminant concentration directly beneath the site of 0.30 mg/L. The contamination is flowing at the rate of 0.5 ft/day toward a public drinking water well 1 mile away. The contaminant degrades with a rate constant of 1.94 x 10^-4 1/day. Draw a picture of the system. Estimate the steady-state pollutant concentration expected at the well. If the slope factor is 0.02 (mg/kg-day)^-1.

Required:
Estimate the cancer risk for an adult male drinking the water for 10 years.

Answers

Answer: the cancer risk for an adult male drinking the water for 10 years is 2.88 × 10⁻⁶

Explanation:

firstly, we find the time t required to travel for the contaminant to the well;

Given that, contamination flowing rate = 0.5 ft/day

Distance of well from the site = 1 mile =  5280 ft

so t = 5280 / 0.5 = 10560 days

k is given as 1.94 x 10⁻⁴ 1/day

next we find the Pollutant concentration Ct in the well

Ct = C₀ × e^-( 1.94 x 10⁻⁴ × 10560)

Ct = 0.3 x e^-(kt)  

Ct= 0.0386 mg/L

next we determine the chronic daily intake, CDI

CDI =  (C x CR x EF x ED) / (BW x AT)

where C is average concentration of the contaminant(0.0368mg/L), CR is contact rate (2L/day), EF is exposure frequency (350days/Year), ED is exposure duration (10 years), BW is average body weight (70kg).

now we substitute  

CDI = (0.0368 x 2 x 350 x 10) / ((70x 365) x 70)

= 257.7 / 1788500

= 0.000144 mg/Kg.day

CDI = 1.44 x 10⁻⁴ mg/kg.day  

Finally we calculate the cancer risk, R

Slope factor SF is given as 0.02 Kg.day/mg

Risk, R = I x SF

= 1.44 x 10⁻⁴ mg/kg.day  x 0.02Kg.day/mg    

R = 2.88 × 10⁻⁶

therefore the cancer risk for an adult male drinking the water for 10 years is 2.88 × 10⁻⁶

What are the corresponding minimum and maximum velocities that the rocket experiences? Express your answer as two numbers separated by a comma

Answers

The corresponding minimum and maximum velocities that the rocket experiences are 23.195m/s and 37.249m/s.

How to calculate the value?

The minimum value will be:

V(t) = 3t³ + (-24)t² + 54t

V(3.721) = 3(3.721)³ - 24(3.721)² + 54(3.721)

= 23.195m/s.

The maximum value will be:

V(.1613) = 3(1.613)³ - 24(1.613)² + 54(1.613)

= 37.249m/s

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List 3 specific things you can do with a screw gun (not just screw in screws)

Answers

Answer:

1: Attaching a fork and wip eggs/batter/ ect.

2: You can entertain a cat by putting yarn on the gun/drill

3: If you get yarn everywere, you can spin the yarn up on the drill/gun

Explanation:

I hope this helps you out somehow

Help, quick please. I need help with my engineering word problem

Help, quick please. I need help with my engineering word problem

Answers

Answer:

a

Explanation:

The answer is The first one A

4. a. A family purchased a 3 acre piece of land in Limuru for Kshs.30,000,000.00 fifteen years ago. They planted trees at a cost of Kshs.250,000.00 per acre. Each year they have been spending on average Kshs.25,000.00 per acre per month to take care of the trees and also to secure the property. They are now considering selling it. What is the minimum amount they should accept so as not to incur a loss bearing in mind that comparable properties have been yielding a rate of 6.5% interest per annum? (8 marks)

b. “Compulsory acquisition is the power of government to acquire private rights in land for public good without the willing consent of the owner but; in exchange for compensation”. Discuss this statement with special reference to the main considerations that ought to be made in conducting a valuation for compulsory acquisition. (12 marks)

Answers

The family should accept a minimum of Kshs.42,250,000.00 to avoid incurring a loss.

Why should they accept this amount and why?

To obtain the total cost, the expenses for the land, trees and upkeep are summed up and subsequently reduced by 6. 5% using a discount rate.

Hence, it can be seen that a forced acquisition appraisal primarily focuses on three key factors: the land's market value, the expenses involved in replacing the property, and the potential harm caused to the owner's belongings.

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The acceleration of a particle is defined by the relation a = 9 − 3t2, where a and t are expressed in ft/s2 and seconds, respectively. The particle starts at t = 0 with v = 0 and x = 5 ft. Determine (a) the time when the velocity is again zero, (b) the position and velocity when t = 4 s, (c) the total distance travelled by the particle from t = 0 to t = 4 s.

Answers

(a) To find the time when the velocity is again zero, we set the velocity equal to 0 and solve for t:

0 = v0 + at = 9t - 3t^3

Solving for t, we find that t = ±1.

(b) To find the position and velocity when t = 4 s, we first need to find the velocity equation by integrating the acceleration equation:

v = ∫a = ∫(9 - 3t^2)dt = 9t - t^3 + C

Using the initial condition v(0) = 0, we find C = 0 and

v(t) = 9t - t^3

Next, we integrate v(t) to find the position equation:

x = ∫v = ∫(9t - t^3)dt = 3t^2 - t^4 + C

Using the initial condition x(0) = 5, we find C = 5 and

x(t) = 3t^2 - t^4 + 5

Evaluating x(t) and v(t) at t = 4 s, we have:

x(4) = 3(4^2) - 4^4 + 5 = 51

v(4) = 9(4) - 4^3 = -36

(c) To find the total distance travelled by the particle from t = 0 to t = 4 s, we need to find the distance between the initial and final positions:

d = x(4) - x(0) = 51 - 5 = 46 ft

So the total distance travelled by the particle from t = 0 to t = 4 s is 46 ft.

What is a Home Run terminology that is used in Electrical Wiring?

Answers

Answer:

Any circuit that goes directly from the fixture to the breaker panel. For dedicated outlets, isolated fixtures and high-load items, you would want them to be on their own breakers. Those would get a home run, a line that goes all the way back without stopping.

A concentrating solar power (CSP) plant has a capacity to produce 250 MW of thermal power (i.e. heat) at noon. The heat temperature is 400ºC, and the air temperature is 20ºC. The exergy/2nd law efficiency for this type of technology is around 50%, if the system is well-designed.What is the rated electrical capacity of this CSP plant, in MW? (1pt)What is the energy/1st law efficiency? (1pt)

Answers

To calculate the rated electrical capacity of the CSP plant, we need to first calculate the maximum possible electrical power output by converting the thermal power into electrical power. This requires the use of the energy/1st law efficiency. Therefore, the energy/1st law efficiency of the CSP plant is 33%.

Assuming the plant operates at its maximum rated capacity, the thermal power input at noon is 250 MW. Since the energy/1st law efficiency is not given, we'll assume a typical efficiency of around 33%, which is the efficiency of a typical Rankine cycle power plant. Therefore, the maximum possible electrical power output would be:

Electrical power output = Thermal power input x Energy efficiency

Electrical power output = 250 MW x 0.33

Electrical power output = 82.5 MW

Therefore, the rated electrical capacity of the CSP plant is 82.5 MW.

To calculate the energy/1st law efficiency, we can use the formula:

Energy efficiency = Electrical power output / Thermal power input

Using the values from above:

Energy efficiency = 82.5 MW / 250 MW

Energy efficiency = 0.33 or 33%

Therefore, the energy/1st law efficiency of the CSP plant is 33%.

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8.28 Water is the working fluid in an ideal Rankine cycle with superheat and reheat. Steam enters the first-stage turbine at 1400 lbf/in.2 and 10008F, expands to a pressure of 350 lbf/in.2, and is reheated to 9008F before entering the secondstage turbine. The condenser pressure is 2 lbf/in.2 The net power output of the cycle is 1 3 109 Btu/h. Determine for the cycle (a) the mass flow rate of steam, in lb/h. (b) the rate of heat transfer, in Btu/h, to the working fluid passing through the steam generator. (c) the rate of heat transfer, in Btu/h, to the working fluid passing through the reheater. (d) the thermal efficiency.

Answers

Answer:

Betbtybrbytntrnyrnrynunjhjhnthnnhtnnthnhtnnhnhrnntnthhnhnhtnthn

Explanation:

2) explain how you can change the deterministic finite-state automaton m that accepts language l, so that the changed automaton recognizes the complement of the set l.

Answers

We can simply convert each final state to a nonfinal state and change each nonfinal state to a final state. In this case the changed automaton recognizes the complement of the set l.

What is automaton?

An automaton is a relatively self-operating machine, or control mechanism, created to automatically carry out a set of tasks, or react to predetermined instructions. Some automata, like the bellstrikers in mechanical clocks, are made to appear as though they are driven by their own will to the untrained eye.

The phrase has a long history of being used to describe automatons that are made to amuse or impress people and that move like living, breathing humans or animals.

The portrayal of characters in movies and theme park attractions frequently uses animatronics, a modern type of automata with electronics.

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How did engineers help to create a ceiling fan

Answers

Answer:

The electric ceiling fan was invented in 1882 by engineer and inventor, Philip Diehl. He had earlier invented an electric sewing machine and adapted the motor from this invention to create the ceiling fan. He called his invention the “Diehl Electric Fan” and it was such a success that he soon had many other people competing with him.

Explanation:

A wall in a house contains a single window. The window consists of a single pane of glass whose area is 0.11 m2 and whose thickness is 4 mm. Treat the wall as a slab of the insulating material Styrofoam whose area and thickness are 11 m2 and 0.20 m, respectively. Heat is lost via conduction through the wall and the window. The temperature difference between the inside and outside is the same for the wall and the window. Of the total heat lost by the wall and the window, what is the percentage lost by the window

Answers

Answer:

Explanation:

Given that,

The area of glass \(A_g\) = \(0.11m^2\)

The thickness of the glass \(t_g=4mm=4\times10^-^3m\)

The area of the styrofoam \(A_s=11m^2\)

The thickness of the styrofoam \(t_s=0.20m\)

The thermal conductivity of the glass \(k_g=0.80J(s.m.C^o)\)

The thermal conductivity of the styrofoam  \(k_s=0.010J(s.m.C^o)\)

Inside and outside temperature difference is ΔT

The heat loss due to conduction in the window is

\(Q_g=\frac{k_gA_g\Delta T t}{t_g} \\\\=\frac{(0.8)(0.11)(\Delta T)t}{4.0\times 10^-^3}\\\\=(22\Delta Tt)j\)

The heat loss due to conduction in the wall is

\(Q_s=\frac{k_sA_s\Delta T t}{t_g} \\\\=\frac{(0.010)(11)(\Delta T)t}{0.20}\\\\=(0.55\Delta Tt)j\)

The net heat loss of the wall and the window is

\(Q=Q_g+Q_s\\\\=\frac{k_gA_g\Delta T t}{t_g}+\frac{k_sA_s\Delta T t}{t_g}\\\\=(22\Delta Tt)j +(0.55\Delta Tt)j \\\\=(22.55\Delta Tt)j\)

The percentage of heat lost by the window is

\(=\frac{Q_g}{Q}\times 100\\\\=\frac{22\Delta T t}{22.55\Delta T t}\times 100\\\\=97.6 \%\)

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