Consider the function represented by the equation x – y = 3. What is the equation written in function notation, with x as the independent variable?

Hai

Your answer will be A.

If you lower the Air Pressure your Object will Float Down ward. The Air Pressure allows it to Fly.

The pressure field created by faster air movement over an airfoil is; A:  higher

When the air hits the front of the wing, the air will flow in a steeper curve upward, than the bottom wing flow which will lead to the creation of a vacuum on top of the wing that pulls more air towards the top of the wing.

Finally, this air above does the same thing but it will move faster as a result of the vacuum pulling it in, and as such the vacuum now lifts the wing. Thus, Faster air movement over an airfoil creates a higher pressure field.

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Answer:

  (a) 100 V

  (b) 60 Hz

  (c) 95.106 V

  (d) 25 V, 75 V

  (e) 23.776 V, 71.329 V

  (f) see attached

Explanation:

The peak value of the sine function is 1, so the peak value of U is ...

  100·1 = 100 V.

__

The argument of the sine function is 2πft, so f = 120πt/(2πt) = 60 Hz.

__

When t=0.020, the voltage is ...

  U = 100sin(120π·0.020) = 100 sin(2.4π) ≈ 95.106 V

__

The resistors are in the ratio of 1 : 3, so divide the source voltage in that ratio.

The peak voltage across the 5Ω resistor is 1/4 of 100 V, or 25 V.

The peak voltage across the 15Ω resistor is 3/4 of 100 V, or 75 V.

__

The same fractions as in (d) apply to the instantaneous voltage.

The voltage on the 5Ω resistor is 1/4·95.106 V ≈ 23.776 V

The voltage on the 15Ω resistor is 3/4·95.106 V ≈ 71.329 V

__

See attached.

A project team may choose to prepare a low-fidelity version of a website design using sticky notes for several reasons:

Sticky notes allow for quick and easy changes. Since they are easy to move around and modify, the team can iterate on the design quickly, making adjustments and improvements without investing significant time or resources. This promotes an iterative design process, enabling the team to refine and enhance the design rapidly.Collaboration and Communication: Sticky notes facilitate collaboration and communication among team members. They can be easily placed on a whiteboard or a wall, allowing everyone to visualize and discuss the design together. Team members can share their ideas, suggestions, and feedback by directly manipulating the sticky notes, fostering effective communication and collaboration within the team.Low Cost and Accessibility: Sticky notes are affordable and readily available, making them a cost-effective option for creating prototypes. Compared to digital design tools or high-fidelity prototypes, sticky notes are inexpensive and accessible to all team members, regardless of their technical expertise. This inclusivity encourages participation from different stakeholders and promotes a diverse range of perspectives during the design process.Focus on Conceptual Design: Low-fidelity designs with sticky notes primarily focus on the conceptual aspects of the website, such as layout, content organization, and user flow. By avoiding intricate details or visual aesthetics, the team can concentrate on the fundamental structure and functionality of the design. This allows for early validation and testing of design concepts before investing significant time and resources in higher-fidelity prototypes.Emphasis on User Experience: Sticky notes enable the team to simulate user interactions and test the usability of the design. By physically moving and rearranging the sticky notes, the team can simulate user flows and assess the user experience. This hands-on approach allows for early identification of potential usability issues, leading to design improvements and a better user experience.

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The potential difference across the element when the current is 2 amperes is 50 V

The given heating element supplies 300 kJ in 50 minutes. First, we need to convert minutes into seconds.1 minute = 60 seconds

Therefore, 50 minutes = 50 x 60 = 3000 seconds

We know that the power, P = energy / timeP = 300,000 / 3000P = 100 W

We are also given the current, I = 2 A

To find the potential difference, we can use Ohm's law. According to Ohm's law, the potential difference (V) across the element is given by

V = IR

Where R is the resistance of the heating element. We know that P = VIAlso, P = I²R

Therefore, R = P / I²R = 100 / 4R = 25 ohms

Now we can use Ohm's law to find V. V = IR

V = 2 x 25V = 50 V

Therefore, the potential difference across the element when the current is 2 amperes is 50 V.Answer:Therefore, the potential difference across the element when the current is 2 amperes is 50 V.

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The concentration of the salt in the w crude oil (with salt) to water used is 4:1 is 0.0061.

What is crude oil?

Crude oil is a hydrocarbon mixture that exists in liquid form in natural subterranean reservoirs and stays liquid at atmospheric pressure after passing through surface separation facilities.

The salt content of "spent" wash water is 15%.

5% of crude oil is salt.

The crude oil (with salt) to water ratio utilised is 4: 1.

Crude oil fraction:

95% of crude oil = 0.95

0.95F1 = x1E1

0.95(100) = x1E1

95= x1E1

E1 = 95/X1

wash water fraction:

15% of wash water = 100% -15% = 85%

= F2 = 0.85E2

salts fraction:

0.05F1 = (1-X1)E1 + 0.15E2

0.05F1 = (1-X)95/X1 + 0.15(F2/0.85)

0.05F1 = 95/X1 - 95 + 0.15(F2/0.85) (SINCE = 95.588 = 95/X1 = 99.38)

0.05(100) = 95/X1 - 95 + 17.61(1/4F1)

5 = 95/X1 - 95 + 4.41

Fraction of salts = 1- X1 = 0.0061

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Answer:

oh god... i have no idea lm.ao

Explanation:

Explanation:

This is not so much a mathematical issue as a case study, because the response will inevitably require us to test the special Columbic shuttle disaster scenario. I would suggest that you read this in detail and present the points accordingly. Here I give as many points as I think are relevant.

The failure of a space program is definitely a complex situation, more than a simple binomial distribution. It's definitely not as simple as repeating the flip of a coin. There are several coherent factors and situations that govern the overall coordination and execution of such an event. The problem is, those who are running a project like this are still making a trade off,It is never the case that they sealed the lid on any chance of failure between multiple parameters. You try to do something, but often, as is the case above, the potentially dangerous situation is impossible or uncontrollable. Since the root cause of failure, which is dried out tiles that can not withstand heat and water, it appears that owing to the constant use of the shuttle the head architects have not foreseen this.

Interlocking rows should be used when stacking any type of material, such as bricks, stones, or concrete blocks.

Interlocking rows help to increase the stability and strength of the structure being built, as each row is securely locked into place with the row beneath it. Interlocking rows work by offsetting the position of each unit in the row above, so that it overlaps with the units below it. This creates a strong interlocking effect that helps to distribute the weight of the structure evenly across the entire wall. Interlocking rows are also less likely to shift or settle over time, which can help to prevent structural damage.

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The resistance of an 8m length of the same wire is 960 Ω

What is the resistance of an 8m length of same wire:

Give the Resistance of  wire ( R ) = 600 Ω

Given the length of the wire is  (l)= 5 m

We know that

⇒ R = ρl/A

[ where R is resistance, l is the length of the conductor, ρ is proportional constant and is called Resistivity, and A is the cross-section area ]

⇒ 600 = ρ5/A

⇒ 600/5 = ρ/A

⇒ 120 = ρ/A

⇒ ρ/A = 120

If the length of the wire ( l ) is 8 m,

Resistance ( R ) = ρl/A

⇒ R = ρ8/A

⇒ R = 8 * ρ/A

Because the same material proportionality constant remains constant, we can use  ρ/A = 120 in the equation.

⇒ R = 8 * 120

⇒ R = 960 Ω

Alternative way :

We already know that resistance (R) :

Since it is directly proportional to length R ∝ l

⇒ R = kl

[ Where k is proportionality constant ]

⇒ R/l = k

⇒ 600/5 = k

⇒ 120 = k

When the Length of the wire = 8 m

⇒ R = kI

⇒ R = 120 * 8

Hence, the resistance of length 8 m wire is 960 Ω.

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The main difference between an intercooler and an aftercooler lies in their applications and the location in the system where they are used.

1. Intercooler: An intercooler is typically used in forced induction systems, such as turbochargers or superchargers, where it is placed between the compressor and the intake manifold. Its purpose is to cool the compressed air coming from the compressor before it enters the engine cylinders. By reducing the temperature of the compressed air, the intercooler increases the air density, allowing more oxygen to be available for combustion. This leads to improved engine efficiency and performance.

2. Aftercooler: An aftercooler, on the other hand, is used in systems where compressed air is generated, such as air compressors or certain industrial processes. It is placed after the compression stage and serves to cool down the compressed air before it is further utilized or stored. The aftercooler removes the heat generated during compression, reducing the temperature of the compressed air. This helps to prevent excessive heat buildup and ensures the efficiency and reliability of downstream equipment or processes that rely on the use of compressed air.

In summary, while both intercoolers and aftercoolers are used to cool down compressed air, intercoolers are specifically employed in forced induction systems to improve engine performance, whereas aftercoolers are used in compressed air systems to cool down the compressed air for downstream applications.

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Answer:

To counter the behavior of a high Mach individual in my workplace, I could put the individual in charge of a project by himself, and don't let others work with him.

Explanation:

A high Mach individual is one who exhibits a manipulative and self-centered behavior.   The personality trait is characterized by the use of manipulation and persuasion to achieve power and results.  But, such individuals are hard to be persuaded.  They do not function well in team settings and asking them to agree to terms is very difficult.  "The presence of Machiavellianism in an organisation has been positively correlated with counterproductive workplace behaviour and workplace deviance," according to wikipedia.com.

Mach is an abbreviation for Machiavellianism.  Machiavellianism is referred to in psychology as a personality trait which sees a person so focused on their own interests that they will manipulate, deceive, and exploit others to achieve their selfish goals.  It is one of the Dark Triad traits.  The others are narcissism and psychopathy, which are very dangerous behaviors.

The hardware that I am using to take this course is a Laptop computer running on windows operating system.

When you send a query, like your previous message, your laptop's operating system breaks it into smaller units called packets. These packets contain parts of your message, destination address, and other metadata.

They're sent over the internet through your Internet Service Provider (ISP), which directs them through routers and switches. These network devices ensure packets take the most efficient path.

They reach the server where I'm hosted. The server processes your query, generates a response, divides it into packets, sends them back through the same process, and your laptop reassembles them to display my answer.

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Because it is an excellent conductor, copper is used for the majority of electrical wiring, and shorter cables reduce the resistance of wires carrying an electric current.

1)smaller wires

2)NOT X: Electron flow

Y: Lots of potential energy

Z: Minimal potential energy

3)Volts

4) It has strong conductivity.

5) The charges move more slowly in current Y because of the larger potential difference.

6)NOT

insulator,

semiconductor,

conductor,

superconductor

7)Differences in electric potential  

8) a cold slice of lead metal

9) Electrons flow between regions with high and low electric potential.

10) long and lean

The copper produced by electrolysis is known as pure copper or electrolytic copper. Numerous types of electrical wiring use copper as its electrical conductor. Electricity is produced, transmitted, and distributed via copper wire in telecommunications, electronic circuits, and a variety of other electrical devices.

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The size conductor that should be used to supply each motor is 12 AWG and the size conductor  that should be used for the feeder conductor is 1/0AWG.

a. Using NEC table 430.250

Running connect for 150HP  connected to 460V = 21 A

Conductor size=25% current to 125% current (Increase)

Increase current=21×125/100

Increase current=26.25 A

Nearest standard conductor size using NEC table 310.15(B)(16)=25 A

Since the motor contain NEMA design code the conductor will be choosing from 75° column which means that the size conductor that should be used to supply each motor is 12AWG copper conductors.

b. Feeder conductor

Using NEC section 430.24  plus ampere rating of other motors

Running current

Using NEC Table 430.250

Running current=26.25+21+21+21+21+21

Running current=131.25 A

The value that is greater than 131.25 A  under  75° column of NEC Table 310 (B)(16) is 150 A which means that the size conductor that should be used for the feeder conductor is 1/0 AWG conductors.

Therefore the size conductor that should be used to supply each motor is 12 AWG and the size conductor  that should be used for the feeder conductor is 1/0AWG.

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Answer:s

Explanation:s

It's the law. Under New York law, you can get a citation for riding your bike while listening to music using headphones or earbuds in both ears. It is lawful, however, to listen to music with only one earbud keeping the other ear free.

Sensory deprivation. One of the main ways that people alert each other to danger on the road is through sound. Whether it's honking, yelling or ringing a bicycle bell, you're less likely to hear any of these warnings if you're listening to music putting you at higher risk of an accident.

Decreased attention. The more stimuli you have to contend with, the more difficult it is to dedicate your full attention to one particular task. If you get caught up in a song or story you're listening to while cycling, it can increase your distractibility which could have disastrous consequences.

The majority of cycling-related accidents involve a cyclist and a motor vehicle. Not surprisingly, the injuries a cyclist suffers in such collisions tend to be disproportionately serious and often fatal. Therefore, if you're cycling in traffic, foregoing the headphones can prove to be a life-saving decision.

Answer:0.00234

Explanation:

Answer:

L = 75.25 mm

Explanation:

First we need to find the lateral strain:

Lateral Strain = Change in Diameter/Original Diameter

Lateral Strain = (20.025 mm - 20 mm)/20 mm

Lateral Strain = 1.25 x 10⁻³

Now, we will find the Poisson's Ratio:

Poisson's Ratio = (E/2G) - 1

where,

E = Elastic Modulus = 105 GPa

G = Shear Modulus = 39.7 GPa

Therefore,

Poisson's Ratio = [(105 GPa)/(2)(39.7 GPa)] - 1

Poisson's Ratio = 0.322

Now, we find longitudinal strain by following formula:

Poisson's Ratio = - Lateral Strain/Longitudinal Strain

Longitudinal Strain = - Lateral Strain/Poisson's Ratio

Longitudinal Strain = - (1.25 x 10⁻³)/0.322

Longitudinal Strain = - 3.87 x 10⁻³

Now, we can fin the original length:

Longitudinal Strain = Change in Length/L

where,

L = Original Length = ?

Therefore,

- 3.87 x 10⁻³ = (74.96 mm - L)/L

(- 3.87 x 10⁻³)(L) + L = 74.96 mm

0.99612 L = 74.96 mm

L = 74.96 mm/0.99612

L = 75.25 mm

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.

In crow's foot style E-R diagrams, a hash mark (#) across the relationship line near an entity indicates a minimum cardinality of mandatory and a maximum cardinality of one (option B).

The crow's foot notation is a graphical representation used in E-R diagrams to represent the cardinality of the relationships between entities.

In this notation, an entity is represented as a rectangle, and a relationship is represented as a line connecting two entities.

The crow's foot notation uses various symbols to represent the cardinality of the relationship, including a hash mark (#).

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Answer:

Motorcyclist Fatality and Injury Rates per Vehicle Miles Traveled, 1998-2008. 10. 9. Fatalities in School Transportation Related Crashes,. 1998-2008.

Explanation:

To accomplish the same as the "push eax" instruction without using the push instruction itself, we can use the following sequence of two other instructions:

1. Subtract the size of the register from the stack pointer:

  sub esp, 4

2. Move the value of the register onto the stack:

  mov [esp], eax

The "push eax" instruction is commonly used to push the value of the EAX register onto the stack. The stack is a region of memory used for temporary storage and is typically used to store function call parameters, local variables, and return addresses.

In the first step, we subtract the size of the register from the stack pointer. The stack pointer (ESP) keeps track of the current top of the stack. By subtracting 4 from ESP, we allocate space on the stack for the register value. The size of the EAX register is typically 4 bytes in x86 architecture.

In the second step, we move the value of the register (EAX) onto the stack. The "mov" instruction is used to copy data from one location to another. In this case, we move the value of EAX to the memory location pointed to by ESP. By doing so, we effectively push the value of EAX onto the stack.

Overall, these two instructions simulate the behavior of the "push eax" instruction by manually adjusting the stack pointer and moving the register value onto the stack. This allows us to achieve the same result without using the push instruction directly.

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Answer:

Ceramics are generally made by taking mixtures of clay, earthen elements, powders, and water and shaping them into desired forms. Once the ceramic has been shaped, it is fired in a high temperature oven known as a kiln. Often, ceramics are covered in decorative, waterproof, paint-like substances known as glazes.

Explanation:

Answer:

made essentially from a nonmetallic mineral (such as clay) by firing at a high temperature.

Explanation:

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:

The following statement is true: b. II only

Therefore, the correct answer is b. II only. (2. A class can have multiple subclasses.)

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Answer:

woah

Explanation:

Answer:

A =41 .....

......

......

....C=21

Answer:

B) Attenuation

Explanation:

Attenuation can be regarded as the loss of signal strength which could be as a result of both external and internal factors. This loss of signal strength could occur in networking cables as well as other connections. Attenuation is a loss in energy, because as signal travels, its strength decreases as a a result of distance it covers, this loss of energy is due to the signal trying to overcome the resistance at the medium. One of the main the causes of attenuation is When there is Extra noise on available networks, networks such as electrical current as well as radio waves. It should be noted that attenuation is Signal loss which is the reduction of a signal that occurs in a medium as a function of the physical length of the channel.

Singnal attenuation can taken care of by using lower loss materials with high cost, instead of making of PCB routing length reduction. Amplifiers can also be engaged in amplifying attenuated signal to get back the original signal, this will compensate the loss.

Attenuation can be measured in decibels(dB), this gives the measurement of relative strengths of one signal at two different point or measurement of two signals.