On a part with planar datums, how many datums need to be referenced in the feature control frame if the part is to be fully constrained?

Answer:

y'(x) = 7 ;

y'(x) = 15x²

Explanation:

Differentiation from first principle :

y = 7x

Formula to obtain derivative from first principle:

y'(x) = lim(h - - > 0) : [y(x + h) - y(x)] / h

Obtain : y(x + h)

y(x) = 7x

y(x + h) = 7(x + h)

Substitute into formula :

y'(x) = lim(h - - > 0) : [7(x + h) - 7x] / h

Expand :

y'(x) = lim(h - - > 0) : [7x + 7h - 7x] / h

y'(x) = lim(h - - > 0) : 7h/ h

y'(x) = 7

2.)

y = 5x³

y'(x) = lim(h - - > 0) : [y(x + h) - y(x)] / h

Obtain : y(x + h)

y(x) = 5x³

y(x + h) = 5(x + h)³

Substitute into formula :

y'(x) = lim(h - - > 0) : [5(x + h)³ - 5x³] / h

Expand :

y'(x) = lim(h - - > 0) : [5(x³ + 3x²h + 3xh² + h³) - 5x³] / h

y'(x) = lim(h - - > 0) : [5x³ + 15x²h + 15xh² + 5h³ - 5x³] / h

y'(x) = lim(h - - > 0) : [15x²h + 15xh² + 5h³] / h

y'(x) = lim(h - - > 0) : h(15x² + 15xh + 5h²) / h

y'(x) = lim(h - - > 0) : (15x² + 15xh + 5h²)

y'(x) = 15x²

The statement "The power dissipated by the individual resistors, added together, is equal to the power dissipated by the equivalent resistance" is true when the resistors are in parallel (option d).

In a parallel resistor configuration, the voltage across each resistor is the same, but the current splits among the resistors. The power dissipated by each resistor is given by P = I^2 * R, where I is the current and R is the resistance. Since the voltage and current are the same for each resistor in parallel, the power dissipated by each resistor can be added together to obtain the total power dissipated. This is consistent with the power dissipated by the equivalent resistance, which can be calculated using the total current and the equivalent resistance value.

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(a) The type of explosion that could occur inside the reactor vessel depends on the circumstances, but a criticality accident is one potential type in a nuclear reactor.

(b) An explosion during cleaning operations in the reactor vessel can happen due to flammable gas buildup, ignition sources, or vessel containment failure.

(a) The type of explosion that could occur inside the reactor vessel depends on the specific circumstances and materials involved.

In a nuclear reactor, a nuclear explosion, known as a criticality accident, is one potential type of explosion that can happen if there is an uncontrolled chain reaction of nuclear fission.

(b) An explosion in the reactor vessel during the cleaning operation can occur due to various factors.

If there is a breach or failure in the vessel's containment structure, allowing high-pressure gases or steam to accumulate, an explosion may happen when the pressure exceeds the vessel's capacity.

Proper safety measures and protocols, including careful handling of hazardous materials, maintaining appropriate ventilation, and rigorous inspection of the vessel's integrity, are essential to prevent such explosions during cleaning operations.

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Answer:

15 000 000 Ohms

Explanation:

1 Mega Ohm = 1 000 000 Ohms

So,

15 Mega ohms =15 000 000 Ohms

The Unix/Linux "date" command displays the system date.

The "date" command is a built-in utility in Unix and Linux systems that displays the current date and time, as well as allows users to set the system's date and time. The system administrator maintains the system date and time by synchronizing the system clock with a time server or manually setting the date and time. The "date" command is commonly used in scripts and batch files to perform actions based on the current date and time.

The correct answer is the "date" command.

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Liquid-based cooling systems offer advantages such as efficient heat dissipation, improved temperature regulation, lower noise levels, compact design, and overclocking potential.

The chief advantages of using a liquid-based cooling system include:

1. Efficient heat dissipation: Liquid has higher thermal conductivity than air, allowing it to absorb and transfer heat more effectively. This helps in cooling down the components more efficiently.

2. Improved temperature regulation: Liquid-based cooling systems can maintain a more stable and optimal temperature for the components, reducing the risk of overheating and prolonging their lifespan.

3. Lower noise levels: Compared to air-based cooling systems, liquid-based cooling systems tend to produce less noise since they don't rely on fans running at high speeds to cool the components.

4. Compact design: Liquid cooling systems require less physical space compared to air-based systems, making them suitable for smaller form factor devices or systems with limited space.

5. Overclocking potential: Liquid cooling systems can handle higher thermal loads, making them ideal for enthusiasts who want to overclock their processors or graphics cards for improved performance.

In conclusion, liquid-based cooling systems offer advantages such as efficient heat dissipation, improved temperature regulation, lower noise levels, compact design, and overclocking potential. These benefits make them a popular choice for high-performance systems and applications.

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The answer is:

C) General

General corrosion results in relatively uniform metal loss. This type of corrosion occurs evenly across the metal surface, leading to a consistent reduction in the material's thickness.

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The ways to increase air traffic control revenues in air transportation are given below in explanation part.

Several ways might be taken into consideration to raise air traffic control revenues:

Infrastructure Modernization and Expansion: By improving capacity and efficiency, air traffic control systems and infrastructure can handle more passengers and provide better services.

Implement performance-based navigation (PBN): PBN is a navigational concept that enables aeroplanes to use satellite-based systems to fly more direct routes.

Offer Value-Added Services: In addition to standard control and surveillance duties, air traffic control authority can provide value-added services.

Thus, it is vital to remember that efficient air traffic management, safety, and security should constantly be balanced with revenue generating.

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Answer:

\(h=0.46m\)

Explanation:

From the question we are told that:

Velocity of water \(V=3m/s\)

Height=?

Generally, the equation for Water Velocity is mathematically given by

\(V=\sqrt{2gh}\)

Therefore Height h is given as

\(h=\frac{v}{2g}\)

\(h=\frac{3^2}{2*9.81}\)

\(h=0.46m\)

Answer:

Tires or wheels? I think this is the answer. ^_^

Explanation:

The correct answer is a. brittle deformation. therefore the correct option is (a) option.

Brittle deformation is when rocks fail as rigid solids. The rocks will break, rather than bend, under these conditions to produce fractures. Brittle deformation occurs along discrete planes in the rock instead of involving the rock body as a whole.Brittle materials include glass, ceramic, graphite, and some alloys with extremely low plasticity, in which cracks can initiate without plastic deformation and can soon evolve into brittle breakage.

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According to the SDS for Vishay Measurements Group CSM-3 degreaser, the first aid measure for getting the material in your eye is to flush eyes with water for at least 15 minutes.

What is SDS?

SDS stands for Safety Data Sheet. It is a document that contains information on the properties and hazards of a particular chemical or mixture of chemicals, as well as information on how to handle and store the chemical safely.

SDS's are also known as Material Safety Data Sheets (MSDS). They provide important information such as health effects, first aid measures, fire-fighting measures, accidental release measures, handling and storage, exposure controls/personal protection, physical and chemical properties, stability and reactivity, toxicological information, disposal considerations, transportation information, regulatory information, and other related information.

This information is intended to help employers and employees understand the potential hazards associated with a particular chemical and how to work with it safely.

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The polarity of a welding machine can be changed by pushing a button, rotating a selector switch, or adjusting the cable connections. Each method alters the current flow to achieve the desired result.

Welding machines are used to join two pieces of metal together using heat and pressure. The welder must have control of the electrical current in order to properly join the metals. The polarity of the welding machine determines the direction of the electrical current and is essential for successful welding. Changing the polarity can be done in several ways. By pressing a button, rotating a selector switch, or changing the way the cables are attached to the machine, the current flow can be reversed to achieve the desired result. Each method will provide the welder with the control they need to successfully weld the metals together. Understanding how to change the polarity of a welding machine is an important part of the welding process and will ensure that the weld is of the highest quality.

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The correct answer is Find all the origin cities that only provide shorter-than-3-hour flights. Flights with NULL actual time can be assumed to not be more than three hours. Come back...

Null functions as both a value and a pointer in computer programming. A built-in constant called null has a value of zero. It is the same as how strings in C are terminated with the letter 0. Null is another possible value for a pointer, and unless the CPU supports a unique bit pattern for a null pointer, it has the same value as zero. A reference that points to null merely signifies that it has no associated value. The memory address that corresponds to the reference technically holds the value 0 (all bits at zero), or any other value that in the present environment denotes null.

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Answer:

The area is increased by a factor of 5.

Answer:

25

Explanation:

Their HVACR technician advises against it because of the residential energy costs from HVAC units.

hat is the cost energy?

Energy Cost is known to be a term that connote the cost of electricity and this is one that is often related to fuel oil, gasoline, heating oil, natural gas, as well as other kinds or source of energy linked to any operation.

Hence, Since family in Florida heard about evaporative coolers as a way to cool their home without the expenses of a refrigerated air conditioning system. Their HVACR technician advises against it because of the residential energy costs from HVAC units.

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Answer:

The percentage of recycling in high socioeconomic localities is 11.02%.

Explanation:

Since in high socioeconomic localities, 10% of paper is recycled, 12% of plastic, 1.7% of fabrics, 1.2% of rubbers, 0.9% of metals, 3.5% of glass, 33% of food wastes, 35% soil and 1.9% miscellaneous, to determine the average recycling percentage the following calculation must be performed:

(10 + 12 + 1.7 + 1.2 + 0.9 + 3.5 + 33 + 35 + 1.9) / 9 = X

99.2 / 9 = X

11.02 = X

Therefore, the percentage of recycling in high socioeconomic localities is 11.02%.

Pseudocodes are used as a prototype of an actual program.

The error in the pseudocode is that, the while loop in the pseudocode will run endlessly.

From the pseudocode, the first line is:

Declare Boolean finished = false

The while loop is created to keep running as long as finished = false.

So, for the while loop to end, the finished variable must be updated to true.

This action is not implemented in the pseudocode.

Hence, the error in the pseudocode is that, the while loop is an endless loop

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Answer:During which stage of team development does a team clarify roles? Adding tasks to a job can increase job satisfaction. Operations managers typically make more money than operators.

Explanation:

Answer:

chronic stoner syndrome

Explanation:

"the universe just sends us messages sometimes mannnn, you just have to be ready to listen to them" lol

Answer:

No. of transistors = \($4.1524 \times 10^{10}$\) transistors

Explanation:

Given that:

N = \($1920 \times 10^{0.163(Y-1980)}$\)

Y = 2025

N = \($1920 \times 10^{0.163(2025-1980)}$\)

N = \($4.1524 \times 10^{10}$\) transistors

Now at Y = 1980

Number of transistors N = 1920

Therefore,

\($1000 = 10^{0.163(Y-1980)}$\)

\($\log_{10} 1000=0.163(Y-1980)$\)

\($\frac{3}{0.163}=Y-1980$\)

18 ≅ 18.4 = Y - 1980

Y = 1980 + 18

   = 1998

So, to increase multiples of 1000 transistors. it takes 18 years.

The statement predicts that half the land will return to pre-construction conditions, while the other half of the land will not because half the land is underwater, meaning that the environmental impact will be lessened. The correct option is b.

Pre-construction is when hazards connected with the project are carefully evaluated and planned to be minimized.

This includes assessing the construction site, determining the need for permits and inspections, and addressing any other unique circumstances that may arise before or during construction.

Therefore, the correct option is B.

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roundoff errors are errors during computer calculations, two theoretically equal numbers (e.g. sin (pi) and 0) can differ slightly, causing an equality or inequality test to fail.

What are the different types of errors in computers?

The three primary types of programming errors are logical errors, syntax errors, and semantic errors.

The most difficult error categories to spot are logical errors. The program "misbehaves" in some way as a result of them, producing an incorrect output of some sort rather than crashing or simply ceasing to function. The null reference is one kind of logical blunder.

In contrast to logical errors, syntax errors in computer programming occur out of order in the language used by the computer. Any syntax mistakes you encounter when using compiled languages will be discovered at compile time and must be fixed before the application will execute.

Incorrect "program statements" are known as semantic errors. Although there are various definitions of what constitutes a semantic error, we are arguing here that while semantic errors also produce nothing at all, logic errors produce inaccurate data.

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Answer:

If Reynolds number increases the extent of the region around the object that is affected by viscosity decreases.

Explanation:

Reynolds number is an important dimensionless parameter in fluid mechanics.

It is calculated as;

\(R_e__N} = \frac{\rho vd}{\mu}\)

where;

ρ is density

v is velocity

d is diameter

μ is viscosity

All these parameters are important in calculating Reynolds number and understanding of fluid flow over an object.

In aerodynamics, the higher the Reynolds number, the lesser the viscosity plays a role in the flow around the airfoil. As Reynolds number increases, the boundary layer gets thinner, which results in a lower drag. Or simply put, if Reynolds number increases the extent of the region around the object that is affected by viscosity decreases.

Answer: hello your question is poorly written below is the complete question

Ethanol blended with gasoline can be used to power a flex-fueled car. One particular blend that is gaining in popularity is E85 , which is 85% ethanol and 15% gasoline. E85 is 80% cleaner burning than gasoline alone, and it reduces our dependency on foreign oil. But a flex-fueled car costs $1,000 more than a conventional gasoline-fueled car. Additionally, E85 fuel gets 10% less miles per gallon than a conventional automobile. Consider a 100% gasoline -fueled car that averages 30 miles per gallon. The E85-fueled car will average about 27 miles per gallon. If either car will be driven 81000 miles before being traded in, how much will the E85 fuel have to cost (per gallon) to make the flex-fueled car as economically attractive as a conventional gasoline-fueled car? Gasoline costs $3.89 per gallon. Work this problem without considering the time value of money

answer :

$3.17

Explanation:

Determine how much E85 fuel have to cost

Fuel needed by 100% gasoline fueled car

= 81,000 miles / 30 = 2700 gallons

Fueled needed by E85 car

= 81,000 miles / 27 = 3000 gallons

next step : use the relation below

[ (Additional cost of flex fuel car) + (flex fuel consumption * cost of flex fuel per gallon( x ) )  ]   = [ Gasoline consumption * cost of gasoline per gallon ]

= 1000 + 3000x = 2700 * 3.89

= 1000 + 3000x = 10503

∴ x = 9503 / 3000 = $3.17 per gallon

Answer:

rotation

Explanation:

I just answered this!

The size of the trunk mains is 900 mm and the corresponding velocity is 1.39 m/s.

The head loss between the source and the reservoir is 31.5 m.

The Brake Horse Power of the pump is 1448.5 hp.

We must utilize the provided facts to calculate the size of the trunk mains and matching velocity, head loss between the source and the reservoir, and the pump's Brake Horse Power.

(i) To determine the size of the trunk mains and the corresponding velocity:

(ii) To determine the head loss between the source and the reservoir:

(iii) To determine the Brake Horse Power of the pump:

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