Determine the function of a LTI discrete-time system if its impulse response is h[n] = 0.58[n] +0.58[n 1]. Determine the function of a LTI continuous-time system if its impulse response is h(t) = 8(t) + 6(t− 1). Determine the function of a LTI continuous-time system if its impulse response is h(t) = 0.1 [u(t) - u(t-10)].

Answer:

A. Confidently and directly communicating what you think and feel, without being aggressive or passive.

Explanation:

Assertive communication is the ability to express both positive and negative ideas in a way that it is a honest and direct message. It doesn't mean to say things to the other person with the intent of causing harm or making them feel better, it's just saying things as they are.

Identifying resistances in series and parallel in a series-parallel circuits involves analyzing the circuit's topology and understanding the connection patterns.

This information affects how you measure current and voltages using a digital multimeter. Voltage division and current division are techniques used to analyze series-parallel circuits, with voltage division determining the voltage across individual resistances and current division determining the current through individual branches.

To identify resistances in series, you look for a direct connection between resistors where the current flows through one resistor into the next without any branching. In parallel, resistances are connected at both ends and share the same voltage. Analyzing the circuit's schematic or physical layout helps identify the connections.

When measuring current with a digital multimeter in a series-parallel circuit, you can place the meter in series with a specific branch to measure the current flowing through that branch. For voltage measurements, you can use the meter in parallel across a particular resistance to measure the voltage drop across it.

Voltage division is a technique used to determine the voltage across individual resistances in a series-parallel circuit. By considering the ratio of the resistance value to the total resistance, you can calculate the voltage drop across each resistor using the total applied voltage. Current division, on the other hand, analyzes the current flowing through different branches in a series-parallel circuit. It involves calculating the ratio of the conductance (inverse of resistance) to the total conductance and multiplying it by the total current to determine the current flowing through each branch.

identifying series and parallel resistances in a series-parallel circuit allows for accurate measurement of current and voltage using a digital multimeter. Voltage division and current division are useful techniques for analyzing series-parallel circuits, providing insights into the voltage drop and current distribution across resistors and branches, respectively.

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The statement "A "long take" is a shot taken with the camera at a considerable distance from the main subject of the shot" is False..

The statement is not entirely accurate. A "long take" does not necessarily refer to the distance between the camera and the subject, but rather to the duration of the shot. A long take is a shot that lasts for an extended period of time without any cuts or edits, often used to create a sense of realism, tension, or immersion for the viewer.

While the camera may be at a distance from the subject in some long takes, this is not a defining characteristic. Long takes can be achieved with the camera positioned close to the subject or even in motion, as long as the shot is continuous without any cuts.

Therefore, A "long take" refers to a shot that is of an extended duration, typically lasting several minutes or longer, without any cuts or editing. The distance of the camera from the subject is not a defining characteristic of a long take.

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The expressions evaluate to: 1. True, 2. False, 3. False, 4. False.

The truth table is as follows: (p, q, r) -> (False, False, False): False, (False, False, True): True, (False, True, False): False, (False, True, True): True, (True, False, False): False, (True, False, True): True, (True, True, False): True, (True, True, True): True.

1. The expression "3 == 3" compares if 3 is equal to 3, which is true. Therefore, the result is True.

2. The expression "3 != 3" compares if 3 is not equal to 3, which is false. Therefore, the result is False.

3. The expression "3 >= 4" compares if 3 is greater than or equal to 4, which is false. Therefore, the result is False.

4. The expression "not (3 < 4)" checks if 3 is not less than 4. Since 3 is indeed not less than 4, the expression evaluates to False.

5. The truth table shows the evaluation of the expression "(not (p and q)) or r" for different values of p, q, and r. The "not" operator negates the result of the expression inside it, and "or" returns True if at least one of the operands is True. The table reveals that the expression is True when r is True or when both p and q are True. In all other cases, it evaluates to False.

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Answer:

More Drag on the down going wing and More Lift on the up going wing

Explanation:

The autorotation spins of blades used in airborne wind energy technology sectors help drive and move the winds and water propeller-type turbines or shafts of generators to produce electricity at altitude and transmit the electricity to earth through conductive tethers.

Sometimes autorotation takes place in rotating parachutes, kite tails. Etc.

As a result, more Drag usually induces the autorotation spin characteristics of a straight-wing aircraft on the downgoing wing and More Lift on the up-going wing.

More cooking is done before the water actually begins to boil thanks to the raised pressure inside the cooker, which raises the boiling point of water above 1000C. In the end, food cooks more quickly.

Slow-cooked meals can be quickly prepared with pressure cookers. They are efficient in terms of electricity consumption and are excellent for tenderizing less expensive portions of meat. They are a healthy cooking method since they effectively retain nutrients and can cut cooking times by up to 50%. Water boils at 121°C (250°F) at that pressure. As a result, food may cook at considerably greater temperatures than it could under atmospheric pressure. Additionally, because cooking reactions quicken at higher temperatures, food cooks more quickly it is a good technology.

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(a) The amount of activated carbon (kg) needed per day is 4319.327 kg per day.

(b)  If the packing density of activated carbon is 1.2 g/cm, no. of 55-gallon tanks it would fill is 18 .

An element called activated carbon or activated charcoal has pores that can trap compounds, primarily organic ones, that are present in a gas or liquid. It accomplishes this with such efficiency that it is the purifying agent that people use the most frequently.

Chains of carbon and hydrogen atoms make up the fundamental structure of organic compounds, which are produced by the metabolism of living things. All of the derivatives from the plant and animal kingdoms, including oil and the compounds made from it, are included in this group.

Adsorption is the ability of a solid to hold onto the walls of a moving molecule. Adsorbent refers to the solid, and adsorbate refers to the molecule.

No other single purification method has more applications than activated carbon, which is used to retain solids that are present in a fluid after filtration.

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Answer:

The correct response is "821.88". A further explanation is given below.

Explanation:

According to the question,

The largest amount unresolved after five years would have been:

= \(35000\times (\frac{F}{P}, 4 \ percent,5 )\)

= \(35000\times 1.216 7\)

= \(42584.50\)

Now,

time (t) will be:

= \(5\times 12\)

= \(60 \ monthly \ payments\)

So, monthly payment will be:

= \(42582.85\times (\frac{A}{P}, 0.5 \ percent,60 )\)

= \(42584.50\times 0.0193\)

= \(821.88\)

Rolling-contact and journal bearings are widely used in mechanical systems for efficient and safe operations. The importance of lubrication in these bearings cannot be overstated, as it reduces friction between the surfaces and minimizes wear and tear. This ensures that the bearings function optimally.

A literature review is a comprehensive analysis of literature or research publications that relate to a specific topic or question. In this case, we are reviewing published research and literature on the importance of lubrication in rolling-contact and journal bearings.

Lubrication plays a crucial role in the functioning of rolling-contact and journal bearings. Some of the essential functions of lubrication include reducing friction between surfaces in contact, minimizing heat generated by friction and reducing the chances of overheating, providing a layer of protection against corrosion and rust, and acting as a coolant for bearings that generate a lot of heat.

Bearing lubricants should have specific physical and chemical characteristics depending on the application. For instance, transmission fluids should have a high viscosity to provide the necessary lubrication and protect the gears from wear and tear. They should also have excellent thermal stability to perform effectively at high temperatures and prevent the formation of sludge and other deposits.

Engine oils should have excellent anti-wear additives that reduce wear and tear on engine components. They should also have good detergency to keep the engine clean and prevent the formation of deposits. Additionally, they should have low volatility to prevent excessive oil consumption and reduce emissions.

For marine or offshore applications, lubricants should have good water separation properties to prevent the formation of rust and other deposits. They should also have good rust protection properties and be biodegradable to minimize the impact on the environment.

In summary, lubrication is vital for the efficient and safe functioning of rolling-contact and journal bearings. Lubricants should have specific characteristics depending on the application, and a literature review can provide valuable insights into the importance of lubrication in these bearings.

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Answer:

Emails and phone calls are both common forms of communication that are used in professional and personal settings. There are several similarities between email and phone calls:

1. Both are asynchronous forms of communication: Unlike instant messaging or face-to-face conversations, both emails and phone calls allow the sender or recipient to respond at their convenience. They don't require immediate attention or an instant response.

2. Both are written forms of communication: While phone calls rely on spoken words, emails are written. As a result, both can be used to convey detailed information and allow the sender to carefully consider their words before sending.

3. Both are forms of direct communication: Emails and phone calls both allow for direct communication between two parties. This can be beneficial for discussing sensitive information or resolving issues quickly.

4. Both can be used for formal and informal communication: Emails and phone calls can be used in both personal and professional contexts. They are both flexible forms of communication that can be adapted to fit different situations.

5. Both require attention to tone and etiquette: Just like with phone calls, emails require attention to tone and proper etiquette. Both forms of communication should be approached professionally and respectfully to ensure effective communication.

In conclusion, while there are differences between emails and phone calls, there are also similarities that make them useful communication tools. Both allow for direct, asynchronous communication and can be adapted to fit different situations.

Explanation:

In C++, casting refers to the process of converting the data type of an object into another type. The type of casting mechanism that should be used if you want to cast an integer value to a double value is `static_cast`.

What is casting in C++?Casting refers to the conversion of one data type to another in C++. The most common casting operators are the following:Static castReinterpret castDynamic castConst castAnswer:When the user wants to convert an integer to a double, the static_cast type casting operator should be used. The static_cast method is a safer form of casting as it performs compile-time checks to make sure that the conversion is valid. The static_cast type casting operator can be used with all scalar types, as well as with pointer types, to perform the following operations:

Upcasting - Converting a derived class pointer to a base class pointer. Downcasting - Converting a base class pointer to a derived class pointer. Converting one pointer type to another pointer type, such as from char* to int*. The static_cast can be used to cast a value from one arithmetic type to another arithmetic type. This method ensures that the conversion is valid at compile time, which avoids any runtime error that might have occurred with other cast types.

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Some of the craft unions are listed below: ElectriciansPlumbersPipe fitters. Therefore, the correct answer is A, B, and C.

Auto workers are not part of the craft unions. They belong to industrial unions or trade unions that represent a particular industry or profession.The definition of a craft union is one in which the members are skilled workers who perform particular types of work.

These workers are usually required to undergo an apprenticeship program, which trains them in the craft that they are going to work in. Craft unions are typically focused on workers who have similar skills, and they are often restricted to certain professions or trades.

So, correct options are option A, B, and C.

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Answer:plumbers

pipe fitters

electricians

Explanation:

Answer:

SECTION LEARNING OBJECTIVES

By the end of this section, you will be able to do the following:

Distinguish between static friction and kinetic friction

Solve problems involving inclined planes

Section Key Terms

kinetic friction static friction

Static Friction and Kinetic Friction

Recall from the previous chapter that friction is a force that opposes motion, and is around us all the time. Friction allows us to move, which you have discovered if you have ever tried to walk on ice.

There are different types of friction—kinetic and static. Kinetic friction acts on an object in motion, while static friction acts on an object or system at rest. The maximum static friction is usually greater than the kinetic friction between the objects.

Imagine, for example, trying to slide a heavy crate across a concrete floor. You may push harder and harder on the crate and not move it at all. This means that the static friction responds to what you do—it increases to be equal to and in the opposite direction of your push. But if you finally push hard enough, the crate seems to slip suddenly and starts to move. Once in motion, it is easier to keep it in motion than it was to get it started because the kinetic friction force is less than the static friction force. If you were to add mass to the crate, (for example, by placing a box on top of it) you would need to push even harder to get it started and also to keep it moving. If, on the other hand, you oiled the concrete you would find it easier to get the crate started and keep it going.

Figure 5.33 shows how friction occurs at the interface between two objects. Magnifying these surfaces shows that they are rough on the microscopic level. So when you push to get an object moving (in this case, a crate), you must raise the object until it can skip along with just the tips of the surface hitting, break off the points, or do both. The harder the surfaces are pushed together (such as if another box is placed on the crate), the more force is needed to move them.

Answer:

Engine bearings are lubricated by motor oils constantly supplied in sufficient amounts to the bearings surfaces. Lubricated friction is characterized by the presence of a thin film of the pressurized lubricant

Explanation:

To accomplish this task, you can use the cp command with the -i option to prompt before overwriting existing files. The command would be:

cp -i /home/kcole/documents/*.txt /home/mruiz/personal/

This will copy all files with a .txt extension from the /home/kcole/documents directory to the /home/mruiz/personal directory and prompt before overwriting any existing files in the destination directory.

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Answer:

Aerospace engineering is a broader subject that includes both aircraft and spacecraft studies. Aeronautical engineering focuses more on aircraft design and construction that flies within the Earth's atmosphere.

Explanation:

Aerospace engineering is a vast topic that involves research on both airplanes and spacecraft, further explained in the following paragraph.

The median annual pay for aerospace engineers is $116,500, according to the US Bureau of Labor Statistics. Aerospace engineers, on the other hand, make $56.01 per hour. According to Glassdoor, the national average compensation for an Aeronautical Engineer in the United States is $80,000.

Aerospace engineering is a vast topic that involves research on both airplanes and spacecraft. Aeronautical engineering is concerned with the design and building of aircraft that fly within the atmosphere.

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Answer:

A hammer and a wrench

Explanation:

In the radio communication system, multipath is the propagation phenomenon that causes diffusion or reflection in multiple different directions of a signal.

Multipath is a propagation mechanism that impacts the propagation of signals in radio communication. Multipath results in the transmission of data to the receiving antenna by two or more paths. Diffusion and reflection are the causes that create multiple paths for the signal to be delivered.

Diffraction occurs when a signal bends around sharp corners; while reflection occurs when a signal impinges on a smooth object. When a signal is received through more than one path because of the diffraction or reflection, it creates phase shifting and interference of the signal.

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This is going to be a long one, here is all of the definitions:

Habitat - The natural home or environment of an animal, plant, or other organism.

Traits - A distinguishing quality or characteristic, typically one belonging to a person.

Pollination - The transfer of pollen to a stigma, ovule, flower, or plant to allow fertilization.

Ecosystem - A biological community of interacting organisms and their physical environment.

Biosphere Ecology - The regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms.

Community Ecology - A group of interdependent organisms of different species growing or living together in a specified habitat.

Pollinators - The organisms that pollinate plants, like a bee.

Plant Reproduction - The process by which plants generate new individuals, or offspring.

Environment - The surroundings or conditions in which a person, animal, or plant lives or operates.

Pollen - A fine powdery substance, typically yellow, consisting of microscopic grains discharged from the male part of a flower or from a male cone.

Chromosomes - A threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.

Heredity - The passing on of physical or mental characteristics genetically from one generation to another.  In other words, these traits cannot be changed.

Ecology - The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.

DNA - Deoxyribonucleic acid, a self-replicating material which is present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.

Population Ecology - A community of animals, plants, or humans among whose members interbreeding occurs.

Answer:

20368.917N

Explanation:

Frictional force (F) is the product of the Coefficient of friction and the normal reaction.

F = μN

Coefficient of friction, μ = 0.2

Normal reaction = MgCosθ

Mass, m = 12 tonnes = 12 * 1000 = 12000 kg

N = 12000 * 9.8 * cos30

N = 101844.58

F = 0.2 * 101844.58

F = 20368.917N

Among the given processes, the most wasteful process is material removal processes - like machining. Hence, the option (D) is correct.

Machining is a manufacturing process that includes a wide range of technologies for removing material from a workpiece to produce the desired shape and size. The workpiece is usually made of metal, but it can also be made of other materials, such as wood, plastic, or ceramic.

The aim of machining is to achieve a particular shape, size, or surface finish, or to remove material to achieve a particular tolerance or flatness. Material removal processes - like machining are the most wasteful because they remove a significant amount of material from the workpiece, resulting in a considerable amount of waste material. Therefore, material removal processes are considered the most wasteful among the given processes.

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Answer:

The in-shell pine nuts enter a long rotating cylinder where the shells are crushed between two cylinders (2). The product is then sieved/sorted to spate the shells from the nuts, leaving the nuts ready for further processing. Once the shelling process is complete, the pine nuts are then dried.

Explanation:

hope it helps:)

Answer:

a) The amount by which this specimen will elongate in the direction of the applied stress is 0.466 mm

b) The change in diameter of the specimen is  - 0.015 mm

Explanation:

Given the data  in the question;

(a) The amount by which this specimen will elongate in the direction of the applied stress.

First we find the area of the cross section of the specimen

A = \(\frac{\pi }{4}\) d²

our given diameter is 20.5 mm so we substitute

A = \(\frac{\pi }{4}\) ( 20.5 mm )²

A = 330.06 mm²

Next, we find the change in length of the specimen using young's modulus formula

E = σ/∈

E = P/A × L/ΔL

ΔL = PL/AE

P is force ( 46300 N), L is length ( 201 mm ), A is area ( 330.06 mm² ) and E is  elastic modulus (60.5 GPa) = 60.5 × 10⁹ N/m² = 60500 N/mm²

so we substitute

ΔL = (46300 N × 201 mm) / ( 330.06 mm² × 60500 N/mm² )

ΔL =  0.466 mm

Therefore, The amount by which this specimen will elongate in the direction of the applied stress is 0.466 mm

(b) The change in diameter of the specimen. Indicate an increase in diameter with a positive number and a decrease with a negative number.

Using the following relation for Poisson ratio

μ = -  Δd/d / ΔL/L

given that Poisson's ratio of the metal is 0.33

so we substitute

0.33 = -  Δd/20.5 / 0.466/201

0.33 = -  Δd201 / 20.5 × 0.466

0.33 = - Δd201  / 9.143

0.33 × 9.143 =  - Δd201

3.01719 = -Δd201

Δd = 3.01719 / - 201

Δd  = - 0.015 mm

Therefore, The change in diameter of the specimen is  - 0.015 mm

The given problem is concerned with a company that has to produce goods for two quarters' period. The company has a regular time capacity and forecast demand, which is given in the table below per month.

We are required to determine the overtime capacity, overtime cost, backorder cost, inventory-holding cost, and the beginning inventory. Given data: Demand | Regular time capacity50 | 50Overtime capacity | 50% of regular time capacity × 1.5= 50% of 50 × 1.5= 25 × 1.5= 37.5 units per month Overtime cost.

Therefore, the overtime cost and backorder cost are zero. Inventory-holding cost= 50 units × R5 per unit= R250Therefore, the company needs to work at 100% of the regular time capacity and 74% of the overtime capacity to meet the forecast demand of 50 units per month for two quarters.

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The covers and guardrails are required in all of the following areas except ditches.

Yes, they do need a covers and/or guardrails and it is one that is known or shall be provided to help in the protection of personnel from the hazards that pertains to open pits, tanks, vats and others.

Note that they are often needed that is covers and/or guardrails need to be provided to help to protect personnel.

Therefore, The covers and guardrails are required in all of the following areas except ditches.

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