By applying the concepts of differential and derivative, the differential for y = (1/x) · sin 2x and evaluated at x = π and dx = 0.25 is equal to 1/2π.
How to determine the differential of a one-variable function
Differentials represent the instantaneous change of a variable. As the given function has only one variable, the differential can be found by using ordinary derivatives. It follows:
dy = y'(x) · dx (1)
If we know that y = (1/x) · sin 2x, x = π and dx = 0.25, then the differential to be evaluated is:
[tex]y' = -\frac{1}{x^{2}}\cdot \sin 2x + \frac{2}{x}\cdot \cos 2x[/tex]
[tex]y' = \frac{2\cdot x \cdot \cos 2x - \sin 2x}{x^{2}}[/tex]
[tex]dy = \left(\frac{2\cdot x \cdot \cos 2x - \sin 2x}{x^{2}} \right)\cdot dx[/tex]
[tex]dy = \left(\frac{2\pi \cdot \cos 2\pi -\sin 2\pi}{\pi^{2}} \right)\cdot (0.25)[/tex]
[tex]dy = \frac{1}{2\pi}[/tex]
By applying the concepts of differential and derivative, the differential for y = (1/x) · sin 2x and evaluated at x = π and dx = 0.25 is equal to 1/2π.
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Identify three architectural structures, natural or man made, that have withstood the test of time. describe the geometric shapes that they represent or contain.
The three architectural structures, natural or man made, that have withstood the test of time. describe the geometric shapes that they represent or contain are statues.
How are geometric shapes utilized in architecture?Architects use geometry to take a look at and divide areas in addition to draft specified construction plans. Builders and engineers depend upon geometric concepts to create systems safely. Designers practice geometry (in conjunction with color and scale) to make the aesthetically appealing areas inside. Applying geometry in the layout is unavoidable.
Man-Made systems can consist of seawalls, breakwaters, harbor walls, pontoons and piers, to say a few. These may be crafted from a whole lot of substances now no longer constrained to wood, concrete, or metal, in addition to herbal rock that has been installed vicinity as a sea defence.
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Who is the first engineer of world ? and why?
Answer:
Imhotep
Explanation:
The first engineer known by name and achievement is Imhotep because he had builded the step pyramid of Egypt.
All of the following statements with respect to manual transmission are true EXCEPT: Group of answer choices gears can be applied only when the clutch is depressed. when in gear, releasing the clutch connects the engine to the transmission. releasing the clutch pedal closes the contacts of the clutch safety switch. the transmission provides the best pulling power in the lowest gear.
All of the following statements with respect to manual transmission are true EXCEPT releasing the clutch pedal closes the contacts of the clutch safety switch.
What is the transmission?Manual automobiles are useful due to the fact they normally value much less and are extra fuel-efficient. You can also see decreased upkeep prices and coverage prices. They additionally provide you higher management of the car for the reason that driver, now no longer the car, is in fee of converting gears.
With the pedal totally released, there's complete touch between the engine and the driveshaft, through the take hold of the plate, because of this the engine can observe energy immediately to the driveshaft. However, it's miles feasible to have the take hold of plate partly engaged, permitting the take hold of to slip.
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Which of the following applies to a module?
A) Monitors specific devices.
B) Is a computer.
C) Uses inputs to determine outputs.
D) All of the above
Answer:
D all of the above
Explanation:
because I said so
Most of the energy used by the built environment comes from what source?
Answer: Source: Fossil fuels
Explanation:
Technician A says that after all repairs are made to the A/C system, the system needs to be evacuated to remove moisture. Technician B says that moisture in the system will dry out if the system is left open for several hours and compressed air is blown through the lines. Who is correct
Technician B says that moisture in the system will dry out if the system is left open for several hours and compressed air is blown through the lines is is correct. Hence, option B is correct.
What is compressed air is used for?Power tools like air hammers, drills, wrenches, and others employ compressed air as a significant channel for the transfer of energy in industrial operations.
Even though many individuals are aware that using compressed air to remove debris or clean garments might be dangerous, it is nonetheless done due of ingrained behaviours and the fact that compressed air is readily available in many workplaces.
However, using compressed air to clean equipment, clothing, surfaces, or other items might be hazardous. The air is compressed when atmospheric air is taken and subsequently physically compressed into a smaller volume.
Thus, option B is correct.
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technician a says when diagnosing brake system troubles, the symptoms you should be use is improper braking action. technician b says when diagnosing brake system troubles, the symptoms you should be use is improper taillight operation. who is right? group of answer choices (a) a only. (b) b only. (c) both a and b. (d) neither a nor b.
Based on the information provided, we can logically deduce that technician A was right. Therefore, the correct answer is: a. A only.
How to diagnose a brake system?In order for a technician to diagnose a brake system, the following symptoms should be adequately and appropriately checked and used by the technician:
NoisesSmellsAbnormal brake pedal movements.Improper braking action.This ultimately implies that, a symptom you should use when diagnosing brake system troubles is improper braking action.
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explain why it is not advisable to wear a ring at work shop
Answer:
Metal conducts heat so it could severely burn your finger.
Rings can create multiple hazards while working with chemicals.
Rings/Jewlery can be a "hiding place" for bacteria.
Amongst many other reasons as to why it's not advisable to wear a ring(s) at a workshop/workplace.
A pump has a suction pressure of 50 feet of head and discharge pressure of 250 feet of head based on pumping pure water. If the pump were now pumping salt water which has a density of 1.2. Approximately what would the discharge gauge read
Answer:
the discharge gauge would read 300 feet
Explanation:
if I'm wrong I'll try again unless someone else answers
How does automobile exhaust gases contribute to air pollution?
Answer:
The exhaust is the major source of air pollution. This is composed of completely oxidized constituents such as H2O and CO2, both of which are considered harmless. Emphasis is placed on the partially oxidized components -- nitrogen oxide, carbon monoxide, and hydrocarbons -- as being the major pollutants.
Explanation:
what is vapier calliper
Answer:
A calliper is a device used to measure the dimensions of an object.
Many types of calipers permit reading out a measurement on a ruled scale, a dial, or a digital display. Some calipers can be as simple as a compass with inward or outward-facing points, but no scale.
I'm not sure what a "Vapier" Calliper is, but I assume it's about the same thing.
What does it mean when your car says engine power reduced?.
Answer:
it means that the power of your car has been intentionally limited
Explanation:
I'm just a smart guy
How do pressure cookers work?
12. Technician A says that some seam sealers may be applied over bare steel.
Technician B says that some undercoating may be applied over bare steel.
Who is right?
1
A only
OB only
Both A and B
Neither A nor B
Answer:
seam sealers
Explanation:
Undercoating is not required to be done on bare metalsSteel is also counted among metals.So undercoating is not applicableOption A
The home inspector should measure the _____ depth of insulation observed at the unfinished attic floor.
The home inspector should measure the approximate average depth of insulation observed at the unfinished attic floor.
What is insulation?This is known to be a kind of material that is often used to bring to a stop the flow or linking of electricity, heat, or sound from a given conductor to another.
Note that the home inspector should measure the approximate average depth of insulation observed at the unfinished attic floor as that is the bet thing to do.
See options below
exact
approximate average
measured exact
approximate weighted
measured average
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16. Timothy is connecting an ungrounded
receptacle. You can assume that the job
Timothy is working on is in
A. an older building.
B. new construction.
C. a laundry room.
D. a kitchen.
We can assume that the job Timothy is working on is in the older building. Thus, the correct option is A.
What is an ungrounded receptacle?An ungrounded receptacle may be defined as the ground wire required to deliver the same level of protection from house fires and electrical shocks suggested by grounded doorways.
The ungrounded receptacles are only furnished in the building that is already built up to a certain level with appropriate dimensions. It connects all the electrical appliances of the home through a cage of metallic or copper wire.
Therefore, the correct option is A.
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While preparing to drive a HMMWV forward under normal conditions, in what position should you place the transmission and transfer case shift levers
Under normal conditions, you should place the transmission in overdrive (D) and transfer case in high range (H).
What is HMMWV?HMMWV is an acronym for high-mobility multipurpose wheeled vehicle and it can be defined as a tactical wheeled vehicle that was designed and developed in 1989 for the US Armed Forces.
Under normal conditions, you should place the transmission in overdrive (D) and transfer case in high range (H) when preparing to drive a high-mobility multipurpose wheeled vehicle (HMMWV) forward.
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A good architecture description language must be capable of providing adequate abstractions in modeling large systems
A good architecture description language must be capable of providing adequate abstractions in modeling large systems solves probems.
What is the architecture description language?In different words, ADL is a language allowing formalization, description, specification, modeling and reasoning on software program architectures. Each of those functions need to be fulfilled via way of means of a language this is proclaimed to be ADL.
Architecture description is a conceptualization of the structure. Its usefulness is in conceiving and expressing the purposeful and nonfunctional fine traits in conjunction with the proposed form/shape of the software program system.
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A cantilever beam of span 6 m is subjected to transverse shear force of 5 kN at free end. Beam is having rectangular cross-section of dimension 40 mm x 50 mm. Determine the magnitude of shear stress (kPa) on an element a lying at a distance of 20 mm from neutral axis. (6 pts)
The magnitude of shear stress (kPa) on an element a lying at a distance of 20 mm from neutral axis. (6 pts) are given, p = 2kn e = 210gpa distance from constant cease = 20mm = 0.2m.
What is the cantilever formula?
The cantilever beam equations (deflection) w = load. l = member length. e = young's modulus. i = the beam's moment of inertia.
theta= 2000 2*210*10^ 9 * (0.006)^ four 12 [(0.1)^ 2 -(0.08)^ 2 ] =0.1587 radø at q i.e. x = 100 - 20 = 80mm = 0.08m from loose cease.theta = p/(2ei) * (l ^ 2 - x ^ 2) phase of facet a. i = (a ^ four)/12 for square.Read more about the cantilever beam :
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The condensed Q formula may be used for operations in which the friction loss can be determined for:
The condensed Q formula may be used for operations in which the friction loss can be determined for a: 3, 4, or 5 inch hose.
What is a firehose friction loss?A firehose friction loss can be defined as a measure of the effect of the resistance of water against the inner side of a firehose, which typically results in a pressure drop at the terminal end.
Generally, some of the factors that affect the resistance or friction in a firehose include:
Length of hose.Age of hose.Water flow (gpm)Water turbulenceGravityMathematically, the firehose friction loss can be calculated by using this formula:
FL = C × (Q/100)² × L/100.
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Why does the us import oil? because it does not produce any oil at all because it needs higher quality oil than it produces because it has exported too much oil to nearby countries because it is cheaper to import oil than to produce it
US import oil because it is cheaper to import oil than to produce it
What is importation?Importation is a way of bringing in goods and services from neighbouring country into your country.
Countries import because it helps them to supply high cost and scarce resources to its market with products from other countries at a very cheap rate.
Hence we can conclude that US import oil because it is cheaper to import oil than to produce it.
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Answer:
because it is cheaper to import oil than to produce it
Explanation:
d on edge2023
Technician A says when the resistances in a parallel circuit are not equal, then the current divides in accordance with the value of each resistance, but the total current flow is still the sum of the currents flowing in each branch. Technician B says all components in a parallel circuit are connected directly to the same voltage supply. Who is correct?
Technician A says when resistance in a parallel circuit are not equal, and technician B says all components in a parallel circuit are connected directly to the same voltage supply. Both technicians are correct.
What is a circuit?Circuit is a connection of joined wire, where current is flow from the wires. The circuits are joined in a parallel or series.
Thus, the technician A says when resistance in a parallel circuit are not equal, and technician B says all components in a parallel circuit are connected directly to the same supply. Both technicians are correct.
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When is creep important to metals
Answer:
Creep is a type of metal deformation that occurs at stresses below the yield strength of a metal, generally at elevated temperatures. One of the most important attributes of any metal is its yield strength because it defines the stress at which metal begins to plastically deform.
Which of the following is NOT one of the things to immediately and
quickly do at first sign of an airway or breathing circuit fire?
The factor that should not be down immediately or quickly at first sign of an airway or breathing circuit fire is still going on with the procedure.
What is an airway fire about?An airway fire is known to be a kind of surgical fire that takes place or occurs on a patient's airway.
This is one that can or cannot include a fire in the area of an attached breathing circuit.
Since option is not given, answer will be subjective. When there is fire in the airway or breathing circuit, one should quickly:
Quickly Remove the tube of the tracheal.Halt the flow of the gases on the airway.Also Remove any kind of flammable and burning materials from the airway.Lastly, put a saline solution or water into the person's airway.Learn more about airway from
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Manufacturers specify
Answer:
ok
Explanation:
A mixed economy combines the traits of which two economic systems?
A. Marxist and traditional
B. Market and command
C. Traditional and market
D. Command and traditional
A mixed economy combines the traits of these two (2) economic systems: B. market and command.
What is a mixed economy?A mixed economy can be defined as a type of economic system in which the government of a particular country is minimally involved in the allocation and production of goods and services, while effectively protecting the interest of the consumers and regulating the market by establishing laws.
This ultimately implies that, a mixed economy combines the traits of these two (2) economic systems market and command.
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When performing an oil change start the engine and observe the blanket within a few seconds once the engine is running
16 . You are turning onto a two-lane road divided by a broken yellow line. You know immediately that:
When a person is turning onto a two-lane road divided by a broken yellow line, you know immediately that you are on a two-way road.
What is the road about?Note that a Yellow centerlines can be seen in roads and it is one that is often used to separate traffic moving in different directions.
Note also that Broken lines can be crossed to allow slower-moving traffic and as such, When a person is turning onto a two-lane road divided by a broken yellow line, you know immediately that you are on a two-way road.
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You are turning onto a two-lane road divided by a broken yellow line. You know immediately that:
Answers
You are on a two-way road.
You are on a one-way road.
The road is under repair.
You must stay to the left of the broken yellow lines.
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discuss the difference between a dual split and a diagonal split master cylinder.
Answer:
The difference between the dual split Master cylinder and diagonal split Master cylinder is dual split it makes power brakes less prone to failure while diagonal split is when the left rear and right front brakes are on one hydraulic line while the right front and left rear brakes are on another.
The distinction between a diagonal split and a dual split master cylinder Power brakes are less likely to fail when the master cylinder is dual split, while diagonal splitting occurs when the left rear and right front brakes are connected to one hydraulic line while the right front and left rear brakes are connected to another.
What is meant by master cylinder?The hydraulic pump in a car's braking system, which includes a cylinder and one or more pistons and pushes hydraulic fluid under pressure to the brakes at each wheel, is activated by pressing the brake pedal.
In order to convert the pressure on the brake pedal to hydraulic pressure, the master cylinder, also known as the master brake cylinder, feeds brake fluid into the brake circuit and regulates this in accordance with the mechanical force.
Thus, The distinction between a diagonal split and a dual split master cylinder Power brakes are less likely to fail.
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The design product will be a description of the most efficient thermodynamic cycle required to supply 750 MW of electric power. Maximum efficiency is achieved by determining the best pressure at which to operate flash evaporator (2, 3, 7, 8) within the limits imposed by the specified parameters.
You should provide:
1. temperature, pressure, and entropy at the state points;
2. overall flow rate of water through the nuclear reactor;
3. heat transfer in the nuclear reactor;
4. % of the overall flow rate passing through the steam turbine;
5. power required for condensate pump 1;
6. power required for condensate pump 2;
7. cooling water flow rate.
Situation: Attached
Diagram: Attached
Water is used as the working fluid of a pressurized-water nuclear power plant (shown in the figure) designed to produce 750 MW of electric power. Saturated liquid exiting the reactor enters a flash evaporator at a selected pressure. The pressure reduction is achieved by a constant enthalpy throttle valve. Thus, a fraction of the water flashes into saturated steam (state 2) and the remainder flows as liquid into the mixing chamber (state 3, p3=p2). The steam enters the turbine,
PLEASE FIND THE SOLUTION WITH CALCULATIONS for 7 parts in total.
Answer:
I'm 50s I be sliding on them crabs and we be posting 5 inta a Snapple