Determine (graphically or analytically) the output of the following sequence of operations performed on a signal x(t) that is bandlimited to wm (i.e., X(jw) = 0 for |w|> Wm). Multiplication in time with a square wave of frequency 10wm. Bandpass filtering with an ideal filter H(jw) = 1 for 10wm <|w| < 11Wm.
Answers
The output of the given sequence of operations on a signal x(t) involves multiplication in time with a square wave and bandpass filtering with an ideal filter. The resulting signal will have components at frequencies within the bandpass filter range and will be modulated by the square wave.
The signal x(t) is bandlimited to wm, which means it contains frequency components up to wm.
Multiplication in time with a square wave of frequency 10wm introduces frequency components at the harmonics of 10wm. The resulting signal will have frequency components at 0 Hz, 10wm, 20wm, 30wm, and so on.
The bandpass filtering with an ideal filter H(jw) = 1 for 10wm <|w| < 11Wm allows only the frequency components within this range to pass through. Thus, the output signal will contain only the frequency components within the bandpass filter range, which are 10wm, 20wm, 30wm, and so on, up to 11wm.The output signal will be a modulated version of the original signal x(t), with frequency components limited to the bandpass filter range and modulated by the square wave. The exact shape and amplitude of the output signal will depend on the characteristics of the original signal x(t) and the specific frequencies involved. Graphical or analytical analysis can be performed to determine the precise form of the output signal based on these parameters.
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Related Questions
Para un intercambiador de calor encargado de precalentar pulpa de fruta, se utiliza agua caliente que entra a 180°C y sale a 78°C, mientras que la pulpa de fruta entra a 3°C y sube su temperatura hasta 55°C. Realizar los esquemas de perfil de temperaturas para un intercambiador de calor que funcione en paralelo y en contracorriente. Además, calcular LMTD.
Answers
Answer:
La diferencia media logarítimica de temperatura del intercambiador en paralelo es aproximadamente 75.466 ºC.
La diferencia media logarítmica de temperatura del intercambiador en contracorriente es aproximadamente 97.881 ºC.
Explanation:
De la teoría de Transferencia de Calor tenemos que un intercambiador de calor en paralelo presenta las siguientes dos características:
1) Tanto el fluido caliente como el fluido frío entran por el mismo lado.
2) Tanto el fluido caliente como el fluido frío salen por el mismo lado.
Mientras que el intercambiador de calor en contracorriente tiene que:
1) El fluido caliente y el fluido frío entran por lados opuestos.
2) El fluido caliente y el fluido frío salen por lados opuestos.
A continuación, anexamos los esquemas de perfil de cada intercambiador.
Ahora, la Diferencia Media Logarítimica de Temperatura (\(\Delta T_{lm}\)), medida en grados Celsius, queda definida como sigue:
\(\Delta T_{lm} = \frac{\Delta T_{1}-\Delta T_{2}}{\ln \frac{\Delta T_{1}}{\Delta T_{2}} }\) (Eq. 1)
Donde \(\Delta T_{1}\) y \(\Delta T_{2}\) son las diferencias de temperatura de los fluidos en cada extremo del intercambiador, medido en grados Celsius.
Procedemos a determinar esas diferencias y la Diferencia Media Logarítimica de Temperatura para cada configuración:
Intercambiador en paralelo
\(\Delta T_{1} = 180\,^{\circ}C-3\,^{\circ}C\)
\(\Delta T_{1} = 177\,^{\circ}C\)
\(\Delta T_{2} = 78\,^{\circ}C - 55\,^{\circ}C\)
\(\Delta T_{2} = 23\,^{\circ}C\)
\(\Delta T_{lm} = \frac{177\,^{\circ}C-23\,^{\circ}C}{\ln \frac{177\,^{\circ}C}{23\,^{\circ}C} }\)
\(\Delta T_{lm} \approx 75.466\,^{\circ}C\)
La diferencia media logarítimica de temperatura del intercambiador en paralelo es aproximadamente 75.466 ºC.
Intercambiador en contracorriente
\(\Delta T_{1} = 180\,^{\circ}C-55\,^{\circ}C\)
\(\Delta T_{1} = 125\,^{\circ}C\)
\(\Delta T_{2} = 78\,^{\circ}C-3\,^{\circ}C\)
\(\Delta T_{2} = 75\,^{\circ}C\)
\(\Delta T_{lm} = \frac{125\,^{\circ}C-75\,^{\circ}C}{\ln \frac{125\,^{\circ}C}{75\,^{\circ}C} }\)
\(\Delta T_{lm} \approx 97.881\,^{\circ}C\)
La diferencia media logarítmica de temperatura del intercambiador en contracorriente es aproximadamente 97.881 ºC.
250 volts are applied to a toaster oven which draws a current of 12 A.
What is the toaster oven's resistance?
Answers
Answer:
20.833 ohms
Explanation:
V = IR re-arrange
V/I = R
250 / 12 = 20.833 ( 20 5/6)
how many robots does bailey nursery own
Answers
Answer:
The Bailey family has flourished during its business’ 110-year history. But Bailey Nurseries’ leaders still operate with the belief that the family doesn’t always know best. The company has grown from a one-man operation selling fruit trees and ornamental shrubs to one of the largest wholesale nurseries in the United States, thanks to insights from those who are family and those who aren’t.
“For a business to thrive, you have to ask for outside help,” says Terri McEnaney, president of the Newport-based company and a fourth-generation family member. “We get an outside perspective through family business programs, advisors and our board, because you can get a bit ingrained in your own way of thinking.”
When Bailey Nurseries chose its current leader in 2000, it brought in a facilitator who gathered insights from key employees, board members and owners. Third-generation leaders (and brothers) Gordie and Rod Bailey picked Rod’s daughter McEnaney, who had experience both inside and outside the company.
Explanation:
D
Question 7
Commercial photographers attempt to produce images that will blend in and make little impact on
the public.
O True
False
1 pts
A
Answers
False. Commercial photographers attempt to produce images that will stand out and make a big impact on the public.
What is photographers?
A photographer often works as a freelancer, getting hired by different customers for specialised tasks. A client who hires a part-time or freelance photographer is expected to adhere to their every demand, as well as to put up a business strategy that makes options and price readily visible and understandable.
Photographers are in charge of the digital and physical development of their photos, as well as any or all editing that may be necessary. Simple cropping, adding/changing colours and shading, modifying sharpness and lighting, or deleting things to tidy up the image are all examples of editing techniques.
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A vehicle has resistances to control the blower motor speed. This is an example of a ________ electrical circuit
Answers
Answer:
force
Explanation:
A vehicle has resistances to control the blower motor speed. This is an example of a series electrical circuit.
What is electrical circuit?An electrical circuit is a system that allows an electric current to flow between different components and devices.
It is typically made up of a power source, conductors or wires to carry current, and loads or devices that use electrical energy.
Depending on the application and desired outcome, the components and devices can be arranged in various configurations.
A series electrical circuit is illustrated here. A series circuit connects all components in a row so that the current flowing through each component is the same and there is only one path for the current to take.
The circuit's resistances cause a voltage drop, which controls the speed of the blower motor.
Thus, the answer is series circuit.
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When changes are made to some but not all copies of redundant data in a database, which of the following can result? (Check all that can result.)
a.
incorrect functioning of applications that read that data from or write that data to the database
b.
inconsistent data
c.
propagation of incorrect data throughout the DBMS as transactions access and store the copies of redundant data which were not originally updated
d.
data anomalies
Answers
When changes are made to some but not all copies of redundant data in a database, inconsistent data and propagation of incorrect data throughout the DBMS as transactions access and store the copies of redundant data which were not originally updated can result. Therefore, options (b) and (c) are correct.
Redundancy refers to the act of duplicating data within a database. Data redundancy is a situation in which the same data is saved in two or more places. When data redundancy exists, it becomes more challenging to manage and maintain data quality.
In this case, some but not all copies of redundant data are changed, which can result in problems. This might cause inconsistencies in the data or make it difficult to get consistent outcomes from queries that access the data. This is a significant risk when dealing with data.
Therefore, data redundancy should be avoided as much as possible to prevent data integrity problems.
So, option b and option c are the correct answers.
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11kVA of continuous loads and 24kVA of noncontinuous loads are being fed from a 480-208Y/120V transformer. Expectation is for 10% load growth. What minimum size transformer should be selected? 45kVA 112.5kVA 75kVA 150kVA Continuous load is at 125%, noncontinuous loads at 100%. To add on the 10% growth multiply by 1.1 in your last step of load determination. The loads described are on the secondary of the transformer (being fed from), so you need to use S=208V×
√3 ×I to find the minimum kVA of the transformer. When sizing a transformer, use the next standard size up to your calculated load.
Answers
The correct option is: 45 kVA.
To determine the minimum size of the transformer, we need to calculate the total load on the secondary side of the transformer, taking into account the continuous loads, noncontinuous loads, and the expected 10% load growth.
1. Calculate the load for continuous loads:
Continuous load = 11 kVA * 1.25 (125% of continuous load) = 13.75 kVA
2. Calculate the load for noncontinuous loads:
Noncontinuous load = 24 kVA * 1 (100% of noncontinuous load) = 24 kVA
3. Calculate the total load with the 10% load growth:
Total load = (Continuous load + Noncontinuous load) * 1.1 (10% load growth)
Total load = (13.75 kVA + 24 kVA) * 1.1 = 41.825 kVA
4. Determine the minimum size of the transformer:
Minimum kVA of the transformer = 208V * √3 * Total load
Minimum kVA of the transformer = 208V * √3 * 41.825 kVA = 15.066 kVA
Since the minimum size of the transformer should be rounded up to the next standard size, the minimum size of the transformer that should be selected is 45 kVA.
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The dollar value of a firm's return in excess of its opportunity costs is called its
excess return.
prospective capacity
economic value added.
profitability measure!
return margin.
Answers
The dollar value of a firm's return in excess of its opportunity costs is called its:
c. economic value added.
Economic value added is a profitability measure that takes into account both the dollar value of a firm's return and its opportunity costs, and calculates the excess return that the firm generates above and beyond what it would earn by investing in alternative opportunities.
EVA is calculated by deducting the company's total capital costs from its net operating profit after taxes (NOPAT). The formula for calculating EVA is as follows:
EVA = NOPAT - (Capital * Cost of Capital), where
NOPAT represents the company's net operating profit after taxes, which is the profit generated by its core operations.
Capital refers to the total amount of capital invested in the company, including both equity and debt.
Cost of Capital is the weighted average cost of the company's capital, which takes into account the cost of equity and the cost of debt.
By subtracting the capital costs from the company's profits, EVA measures the surplus return generated above the required return on invested capital. A positive EVA indicates that the company is creating value for its shareholders, while a negative EVA suggests that the company is not generating returns that exceed the cost of capital.
EVA is considered a valuable metric because it aligns with the goal of maximizing shareholder wealth. It provides insights into how efficiently a company utilizes its capital and helps assess whether management decisions are generating value. By focusing on EVA, companies aim to improve their financial performance and increase shareholder value over time.
The dollar value of a firm's return in excess of its opportunity costs is called its: c. economic value added.
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Match the following with the type of memory they are describing:
A. RAM
B. ROM
C. PROM
D. EPROM
E. EEPROM
F. FLASH
1. This memory can be programmed by the user instead of at the factory, and is read-only.
2. This memory is not only nonvolatile, but also can be erased by an electrical signal 1 byte at a time.
3. The contents of this memory are programmed one time when manufactured and are nonvolatile
4. This memory can be read from and written to, and is used by microcontrollers for variable data storage.
5. This memory is quite similar to the one described in 2. But allows for faster data access in blocks.
6. The contents of this memory will persist when the power is removed, but only UV can erase them.
Answers
Explanation:
1. This memory can be programmed by the user instead of at the factory and is read-only. - A. PROM. (PROGRAMMABLE MEMORY)
2. This memory is not only nonvolatile but also can be erased by an electrical signal 1 byte at a time. - E. EEPROM (ELECTRICALLY ERASABLE PROGRAMMABLE MEMORY)
3. The contents of this memory are programmed one time when manufactured and are nonvolatile. A. RAM
4. This memory can be read from and written to and is used by microcontrollers for variable data storage. B. ROM (RANDOM ACCESS MEMORY)
5. This memory is quite similar to the one described in 2. But allows for faster data access in blocks. F. FLASH
6. The contents of this memory will persist when the power is removed, but only UV can erase them. D. EPROM (ERASABLE PROGRAMMABLE MEMORY)
A new car design must carry a family of four, include safety features, get more than 25 miles per gallon on the highway, and weigh less than 1.5 tons. which is one of the criteria that should be part of the design to meet the proposal request?
Answers
Answer: weigh less than 1.5 tons
Explanation:
Answer:The answer is A, seats for five people.
Explanation: I took the test and it is the only option that fits the criteria listed above.
The future and success of the electric car largely depend on the
development and improvement of one of its key components: the
battery. Science has been looking for alternatives to lithium for some time, such as graphene, carbon dioxide, zinc-air, but it seems that now a solution has begun to appear on the horizon: solid-state batteries.
Regarding solid-state batteries, investigate the following:
1. Describe the main features of the technology; eg how they operate, what they are made of, why they are called "solid state", what their components are.
2. Describe the reasons why it is considered a superior technology to the batteries currently used for electric vehicles. There are those who claim that they are the "holy grail" of batteries for electric vehicles.
3. Describe at least 3 potential benefits and 3 risks of the developed technology
4. Describe what would be the potential to produce (manufacture) this type of battery in Ecuador, if any.
5. Include the bibliography consulted, in an appropriate format.
Answers
1) The main Features of Solid-State Batteries are:
- Operation
- Composition
- Solid-State Designation
2) The reasons why we have a Superiority of Solid-State Batteries are:
- Energy Density
- Safety
- Faster Charging
3) The 3 potential benefits and risks are:
Potential Benefits:
- Improved Safety
- Longer Lifespan
- Environmental Friendliness
Potential Risks:
- Cost
- Manufacturing Challenges
- Limited Scalability
4) The potential for solid-state battery production in Ecuador would depend on various factors such as:
- access to the necessary raw materials.
- technological infrastructure.
- Research and development capabilities.
- Market demand.
5) Bibliography:
- Goodenough, J. B., & Park, K. S. (2013). The Li-ion rechargeable battery: A perspective. Journal of the American Chemical Society, 135(4), 1167-1176.
- Tarascon, J. M., & Armand, M. (2001). Issues and challenges facing rechargeable lithium batteries. Nature, 414(6861), 359-367.
- Janek, J., & Zeier, W. G. (2016). A solid future for battery development. Nature Energy, 1(7), 16141.
Manuel, J. (2021). Solid-state batteries: The next breakthrough in energy storage? Joule, 5(3), 539-542.
What are the benefits of Solid State Batteries?1) The main Features of Solid-State Batteries are:
- Operation: Solid-state batteries are a type of battery that uses solid-state electrolytes instead of liquid or gel-based electrolytes used in traditional batteries. They operate by moving ions between the electrodes through the solid-state electrolyte, enabling the flow of electric current.
- Composition: Solid-state batteries are typically composed of solid-state electrolytes, cathodes, and anodes. The solid-state electrolyte acts as a medium for ion conduction, while the cathode and anode store and release ions during charge and discharge cycles.
- Solid-State Designation: They are called "solid-state" because the electrolytes used are in a solid state, as opposed to liquid or gel-based electrolytes in conventional batteries. This solid-state design offers advantages such as improved safety, higher energy density, and enhanced stability.
2) The reason why we have a Superiority of Solid-State Batteries is:
- Energy Density: Solid-state batteries have the potential to achieve higher energy density compared to conventional lithium-ion batteries. This means they can store more energy in a smaller and lighter package, leading to increased driving range for electric vehicles.
- Safety: Solid-state batteries are considered safer because they eliminate the need for flammable liquid electrolytes. This reduces the risk of thermal runaway and battery fires, addressing one of the key concerns with lithium-ion batteries.
- Faster Charging: Solid-state batteries have the potential for faster charging times due to their unique structure and improved conductivity. This would significantly reduce the time required to charge electric vehicles, enhancing their convenience and usability.
3) The 3 potential benefits and risks are:
Potential Benefits:
- Improved Safety: Solid-state batteries eliminate the risk of electrolyte leakage and thermal runaway, improving the overall safety of electric vehicles.
- Longer Lifespan: Solid-state batteries have the potential for longer cycle life, allowing for more charge and discharge cycles before degradation, leading to increased longevity.
- Environmental Friendliness: Solid-state batteries can be manufactured with environmentally friendly materials, reducing the reliance on rare earth elements and hazardous substances.
Potential Risks:
- Cost: Solid-state batteries are currently more expensive to produce compared to conventional lithium-ion batteries. This cost factor may affect their widespread adoption.
- Manufacturing Challenges: The large-scale production of solid-state batteries with consistent quality and high yields is still a challenge, requiring further research and development.
- Limited Scalability: The successful commercialization of solid-state batteries for electric vehicles on a large scale is yet to be achieved. Scaling up production and meeting the demand may pose challenges.
4) Potential for Battery Production in Ecuador:
The potential for solid-state battery production in Ecuador would depend on various factors such as:
- access to the necessary raw materials.
- technological infrastructure.
- Research and development capabilities.
- Market demand.
5) Bibliography:
- Goodenough, J. B., & Park, K. S. (2013). The Li-ion rechargeable battery: A perspective. Journal of the American Chemical Society, 135(4), 1167-1176.
- Tarascon, J. M., & Armand, M. (2001). Issues and challenges facing rechargeable lithium batteries. Nature, 414(6861), 359-367.
- Janek, J., & Zeier, W. G. (2016). A solid future for battery development. Nature Energy, 1(7), 16141.
Manuel, J. (2021). Solid-state batteries: The next breakthrough in energy storage? Joule, 5(3), 539-542.
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What are 3 pros and 3 cons for Disposal of Radioactive Waste in an Appropriate Manner?
THANKSS!!
Answers
లాభాలు
1. రేడియో యాక్టివ్ వేస్ట్ పారవేయడం యొక్క అనుకూలత ఏమిటంటే ఇది రేడియేషన్ ఎక్స్పోజర్ ప్రమాదాన్ని తగ్గించడం ద్వారా మానవులు మరియు పర్యావరణం యొక్క భద్రతను నిర్ధారిస్తుంది.
2. రేడియోధార్మిక పదార్థాలు గణనీయమైన ఆరోగ్య ప్రమాదాలను కలిగిస్తాయి కాబట్టి ఇది చాలా కీలకమైనది.
3. కొన్ని రేడియోధార్మిక వ్యర్థాలను చాలా కాలం పాటు సురక్షితంగా నిల్వ ఉంచవచ్చు, భవిష్యత్తులో మరింత సమర్థవంతంగా పనిచేసే వ్యర్థ చికిత్స మరియు పారవేసే పద్ధతులను మెరుగుపరచడానికి మరియు ఉత్పత్తి చేయడానికి సైన్స్ మరియు టెక్నాలజీ సమయాన్ని ఇస్తుంది.
నష్టాలు
1. కొన్ని రేడియోధార్మిక పదార్ధాలు సుదీర్ఘ అర్ధ-జీవితాన్ని కలిగి ఉన్నందున, అవి వేల లేదా మిలియన్ల సంవత్సరాల వరకు ప్రమాదాన్ని కలిగి ఉంటాయి. దీర్ఘకాలిక నియంత్రణ మరియు ఒంటరిగా ఉండేలా అటువంటి పదార్థాన్ని పారవేయడం కష్టం.
2. భద్రతా చర్యలు ఉన్నప్పటికీ, రేడియోధార్మిక వ్యర్థాలను పారవేయడంలో ఎల్లప్పుడూ కొంత స్థాయి ప్రమాదం మరియు అనిశ్చితి ఉంటుంది. లీక్లు, ప్రమాదాలు లేదా ఊహించని ఫలితాలకు అవకాశం ఉంది, ఇది పర్యావరణ నష్టం మరియు ఆరోగ్య ప్రమాదాలకు దారితీయవచ్చు.
3. భద్రత మరియు పర్యావరణం గురించిన ఆందోళనల కారణంగా, రేడియోధార్మిక వ్యర్థాలను పారవేయడాన్ని ప్రజలు తరచుగా వ్యతిరేకిస్తున్నారు.
HOW TO CALCULATE MARGINAL RATE
Answers
Answer:
Divide the difference in tax by the amount of income from the investment, and you'll get the economic marginal tax rate from investing. Most people refer to marginal tax rates as being identical to tax brackets.
hope this helps
have a good day :)
Explanation:
what does the designation s2e under dressed (surfaced) lumber classification mean?
Answers
The designation "S2E" under the dressed (surfaced) lumber classification refers to the lumber being "Surfaced Two Edges." It indicates that two opposing edges of the lumber have been planed or surfaced to provide a smooth and straight edge.
In the lumber industry, rough lumber is initially cut from logs and has uneven surfaces and rough edges. To make it more suitable for various applications, such as construction or woodworking, the lumber is processed through a surfacing operation where it undergoes planing or smoothing to create flat, consistent surfaces.
The "S2E" designation specifically indicates that two edges of the lumber have been planed or surfaced, typically creating two flat and parallel edges. The remaining edges of the lumber may still retain their rough or irregular surfaces. This classification is commonly used for applications where only two straight edges are necessary, such as framing or paneling where the remaining edges will not be visible or require precision.
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How do you calculate flow rate/throughput in a push system?
Answers
In a push system, the flow rate or throughput is calculated by dividing the total amount of output produced by the time it takes to produce it.
In a push system, the flow rate or throughput is a measure of the rate at which output is generated. It is typically calculated by dividing the total amount of output produced by the time it takes to produce that output. For example, if a manufacturing process produces 1,000 units in a day, and it takes 8 hours to complete the production, the flow rate would be 1,000 units divided by 8 hours, resulting in a flow rate of 125 units per hour. This calculation helps assess the efficiency and productivity of a system by providing a measure of how much output can be generated within a given time frame.
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cintormation What are the steps the computer follows to process data?
Answers
The process of data processing by a computer involves several steps that take place in a specific order. The first step is inputting the data into the computer system. This can be done through various devices such as keyboards, scanners, or touchscreens. Once the data is entered into the computer, it is stored in the memory for further processing.
The second step is processing the data. This involves the use of the central processing unit (CPU) which performs mathematical and logical operations on the data. The CPU retrieves the instructions from the memory and executes them, which results in the desired output.
The third step is storing the output data. Once the CPU has processed the data, the result is stored in the memory. The output can be in various forms such as text, images, or sound.
The fourth step is displaying the output. The output is displayed on the screen, printer, or other output devices depending on the nature of the data and the desired format.
Finally, the last step is transmitting the output. If the output is required to be sent to another system or device, it is transmitted using various modes such as email, internet, or other networks.
Overall, these steps are followed in a sequential order to ensure efficient and accurate data processing by the computer. The speed and accuracy of the process depend on the hardware and software components of the computer system, as well as the complexity of the data being processed.
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Given a 5 stage pipeline with stages taking 1, 2, 3, 1, 1 units of time, the clock period of the piple is
Answers
The clock period of the pipeline is 2 units of time.
Given a 5-stage pipeline with stages taking 1, 2, 3, 1, and 1 units of time
The clock period of the pipeline is equal to 3 units of time.
For a pipeline with 'n' stages, the clock period is equal to the sum of the time taken by each stage divided by 'n'.
The time taken by each stage of the pipeline is given as:
Stage 1: 1 unit of time
Stage 2: 2 units of time
Stage 3: 3 units of time
Stage 4: 1 unit of time
Stage 5: 1 unit of time
Therefore, the total time taken by all the stages is 1 + 2 + 3 + 1 + 1 = 8 units of time.
The number of stages in the pipeline is 5. Hence, the clock period of the pipeline is:
Clock period = (1 + 2 + 3 + 1 + 1)/5= 8/5= 1.6 units of time.
However, the pipeline must have integer clock cycles. Therefore, the clock period is rounded up to the nearest integer.
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In which step of the seven-step systematic economic analysis technique (SEAT) would multiple criteria be considered rather than a single criterion to make a decision? a) Compare the alternatives. b) Select the preferred investment. c) Perform supplementary analyses. d) Estimate the cash flows.
Answers
Answer: b) Select the preferred investment.
Explanation:
The seven-step systematic economic analysis technique (SEAT) are:
• Identifying investment alternatives
• Defining planning horizon
• Specifying discount rates
• Estimating cash flows
• Comparing alternatives
• Performing supplementary analysis
• Selecting preferred investment.
It should be noted that selecting preferred investment is the final stage and at this stage, many factors have to be considered before a final decision is made. To maximize the the present worth, multiple criteria are taken into consideration rather than a single criteria.
Therefore, select the preferred investment is the correct answer.
I will give Brainliest, please help. :)
Jordan is mixing water and flour to make tortillas. The number of cups of water, w, needed for f cups of flour is described by the equation w = 0.75f.
What does 0.75 tell us in this situation?
Answers
Answer:
The ratio of water to flour needed to make tortillas, which is 3 : 4
Explanation:
100 w = 75 f
w/f = 75/100 = 3/4
Give the largest positive number that can be represented in 13 bits for the two cases:
a) Unsigned number, and b) Signed number
Show the binary, decimal, and hexadecimal representations of the number for each case
Answers
The largest positive number that can be represented in 13 bits for the two cases are
A) Unsigned number
The largest unsigned no can be represented with 13bits as\((2)^n - 1 = (2)^{13} - 1 = 8191\)
In Binary - \((1111111111111)_2\)
In decimal - \((8191)_{10}\)
In hexadecimal - \((1FFF)_{16\)
B) Signed number
The largest signed no can be represented with 13bit as\(2^n = 2^{13} = 8192\)
The range is from \((2^n-1)\)
therefore, the maximum value is \((4096)_{10}\)
In binary - \((1000000000000)_2\)
In hexadecimal - \((1000)_{16}\)
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When driving a commercial motor vehicle safely, it is recommended that you leave at
least one second between your vehicle and the vehicle you are following for each
feet of your vehicle's length.
Answers
Answer:
If you are driving below 40 mph, you should leave at least one second for every 10 feet of vehicle length.
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
Answers
what is the division of demand
Answers
If you want to revise a sketch or a feature when using a 3D CAD program, how do you make a correction without using the undo function
Answers
Answer:
See explanation
Explanation:
Truthfully, this answer can vary depending on the CAD program you are choosing to use. Generally, you go to your model tree (this has been on the left hand side of the screen in all of the CAD software I have used) and click the sketch or feature to edit. In some programs this is a left click and in others this is a right click. When the feature is correctly selected a menu should appear with the option to edit feature/sketch/definition/etc. Select this option and you should be able to edit what you wanted to.
Is modern water treatment still modern? Comment on this issue by: (a) describing the main components of the typical municipal water treatment process from source water to tap, and (b) noting several strengths and weaknesses/limitations of modern water treatment.
Answers
Modern water treatment is still considered modern as water treatment processes are constantly evolving and improving to provide better quality water.
Municipal water treatment processes go through multiple stages to ensure safe drinking water. The treatment process typically involves the following components: Coagulation and flocculation: In this stage, chemicals such as alum are added to the water. This causes impurities to clump together and form larger particles, which are then removed through filtration.
Sedimentation: The water is allowed to sit undisturbed to allow the larger particles to settle at the bottom of the tank. Filtration: Water is passed through various filters that remove any remaining impurities, including bacteria, viruses, and chemicals. Disinfection: Chlorine or other disinfectants are added to the water to kill any remaining bacteria or viruses before it is sent to the distribution system.
The potential for disinfectant byproducts to form when disinfectants react with natural organic matter4. The potential for microplastics to enter water sources due to inadequate filtration. It is important to continue to improve and adapt modern water treatment processes to ensure the provision of clean, safe drinking water to communities around the world.
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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!
Answers
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
37. WHICH OF THESE STATEMENTS IS TRUE ABOUT KEEPING CHILDREN SAFE IN
VEHICLES?
A. Infants should not ride in the front seat of vehicles
B. Children under one year and over 20 lbs. should ride buckled up in the front seat
C. The back seat is generally not the safest place in the car for all children 12 years and younger
Answers
A
It would be B but I say that it isn't because children under 3 should be riding a buckle up just for safety
what is the condition for sampling frequency to reconstruct the information signal ?
Answers
A continuous time-varying 1-D signal is sampled by narrow sampling pulses at a regular rate fr = 1/T, which must be at least twice the bandwidth of the signal. At first, it may be somewhat surprising that the original waveform can be reconstructed exactly from a set of discrete samples.
In vertical analysis, each item is expressed as a percentage of:Multiple ChoiceTotal assets on the balance sheet.Total cash on the balance sheet.Total current assets on the balance sheet.None of these answers are correct.
Answers
: None of these answers are correct.
In vertical analysis, each item is expressed as a percentage of a base amount within the same financial statement. The base amount varies depending on the purpose of the analysis. Common base amounts used in vertical analysis include total assets, total liabilities, net sales, or total revenue.Vertical analysis helps to assess the relative proportion of each item in relation to the base amount and provides insights into the composition and structure of the financial statement. By expressing each item as a percentage, it allows for meaningful comparisons and trend analysis over time.
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As the car shown moves along the circular road, its velocity increases uniformly from vA = 30 mi/h at A to vB = 60 mi/h at B. Determine the magnitude of the car’s acceleration when s = 300 ft. Please show work.
Answers
The magnitude of the car’s acceleration when s = 300 ft is basically \(5.65 ft/s^2\)
What is velocity?The directional speed of an item in motion, as measured by a specific unit of time and observed from a certain point of reference, is what is referred to as velocity.
To solve this problem, we need to use the following kinematic equation for uniformly accelerated motion:
\(v^2 = v0^2 + 2a\delta s\)
Since the displacement is given in feet,
vA = 30 mi/h = (30 mi/h) x (5280 ft/mi) / (60 min/h) / (60 s/min) = 44 ft/s
vB = 60 mi/h = (60 mi/h) x (5280 ft/mi) / (60 min/h) / (60 s/min) = 88 ft/s
The average velocity to find v0
v0 = (vA + vB) / 2 = (44 ft/s + 88 ft/s) / 2 = 66 ft/s
The displacement Δs from A to C is given as 300 ft.
(a) Solve for v:
\(v^2 = v_0^2 + 2a\delta s\)
\(v^2 = (66 ft/s)^2 + 2a(300 ft)\)
\(v^2 = 4356 ft^2/s^2 + 600a\)
\(v = sqrt(4356 ft^2/s^2 + 600a)\)
(b) Substitute vB and vA to find the value of a:
\(v_B^2 = v_0^2 + 2a\delta s\)
\((88 ft/s)^2 = (66 ft/s)^2 + 2a(300 ft)\)
\(7744 ft^2/s^2 = 4356 ft^2/s^2 + 600a\)
600a = 3388 \(ft^2/s^2\)
a = 3388\(ft^2/s^2\) / 600
a = 5.6467 \(ft/s^2\)
Therefore, the magnitude of the car's acceleration when it is at point C is 5.65 \(ft/s^2\).
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