ave 6 Exit Sub B. A mass of 0.1 kg of helium fills a 0.2 m3 rigid vessel at 350 kPa. The vessel is heated until the pressure is 650 kPa. Calculate the temperature change of helium (in K) as a result of this heating. The gas constant of helium is R=2.0769 kPa m®/kg.K. Helium 0.113 ook 0.2 m 350 kPa mt ht The temperature change is K. nces < Prev 3 of 9 !!! Next >

The third prong found on the plugs of some appliances is called the grounding prong.

It serves an important safety purpose by providing a path for electrical current to flow safely into the ground in the event of a fault or electrical malfunction. This helps protect both the appliance and the user from potential electrical hazards.

The grounding prong is typically longer and wider than the other two prongs on a plug. It is often referred to as the "earth" or "ground" prong. The grounding system in electrical circuits is designed to prevent electric shocks and reduce the risk of electrical fires. When an appliance is plugged into an outlet with a grounded socket, the grounding prong makes a connection with the ground wire or the grounding system in the electrical system. If a fault occurs, such as a short circuit or a surge of electricity, the excess current will flow through the grounding prong and into the ground, effectively bypassing the appliance and preventing potential harm to users or damage to the equipment.

In summary, the third prong on plugs, known as the grounding prong, plays a crucial role in electrical safety. It allows for the safe dissipation of electrical current into the ground, protecting both the appliance and individuals from potential electrical hazards.

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Answer: true

Explanation:

hah duty to it it hey he h very j is to

Answer:

An improper integral is a definite integral that has either or both limits infinite or an integrand that approaches infinity at one or more points in the range of integration

Explanation:

Answer:

F=200kN

Explanation:

False. Concrete-encased electrodes can also be used in existing structures as long as they meet certain requirements.

The National Electrical Code (NEC) allows for the use of concrete-encased electrodes as a grounding electrode system for existing structures, provided that the concrete is encased in at least 2 inches of concrete and is located within and near the bottom of a foundation or footing that is in direct contact with the earth.

Additionally, the concrete-encased electrode must be at least 20 feet in length and must be electrically connected to the grounding electrode system of the building. So, while concrete-encased electrodes are commonly used in new construction, they can also be used in existing structures if they meet these requirements.

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Answer:  0.765 m kg / s

Explanation:

Momentum = (mass) x (speed)

Answer:

I think it is false!

Explanation:

Answer: I think it's true

Explanation:

Because if you were part of a play, you would have a part but if you work on props, you don't have a part onstage.

Engineers take periodic site measurements to verify the scale conveys true information

measureants is the amount or extent of something ascertained through use of calibrated instrument called measuring instrument. When measurements are done on site it is called site measurements.

Engineers use the site measurements to scale their sketches hence to ensure the scale is always correct periodic measurements should be taken.

On-site measurements value and sketch measurement value gives the scale which  is the ratio, should be maintained always

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Answer:

i think its called leggings thats wut my shop teacher told me

Explanation:

The tatal resistance of the series-parallel circuit with two resistor connected in parallel which combination is connected in series to a single resistor is 9 ohms.

This can be defined as the opposition to current flow in a circuit.

To calculate the total resistance, first we need to find the total resistance of the parallel resistor.

For parallel,

Where:

R' = Total resistance of the parallel resistor.

From the question,

Given:

Substitute these values into equation 1

Finally, we combine the effective parallel resistance in series to the single resistance to the the total resistance of the circuit.

Where:

From the question,

Substitute these values into equation 2

Hence, the total resistance of the circuit is 9 ohms.

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Answer: y' = - x'

Explanation:

Let f(x) = 2x + y

then f'(x) = 2 + y'

Let f(y) = x - 2y

then f'(y) = x' - 2

Given:  f'(x) + f'(y) = 0

         2 + y' + x' - 2 = 0

                y' + x'= 0

                 y' = -x'

This can also be written as:       \(\dfrac{dy}{dx}=-\dfrac{d}{dx}\)

Given the values of the barometer and atmospheric pressure on the ground and at the top of the building, its height is measured at 371.77 meters. The calculation steps are described below.

Entrance of a building = 99.4 kpa

Top of the building = 94.7 kpa

Gravity on earth = 9.80 m/s²

Air density = 1.29 kg/m3

Entrance of a building - Top of the building = 99.4 – 94.7 = 4.7

Building height = 4.7 kpa / (9.80 m/s² * 1.29 kg/m3)

Converting kilopascals (kpa) to newton/m2:

4.7 kpa = 4700 n/m2 (newton = (kg*m)/ s²)

Solving units of measurement for density and gravity:

m/s² * kg/m3 = kg/ (s² * m²)

Solving for units of newtons and meters:

n/m2 = ( (kg*m)/ s² ) / m² = (kg*m)/ ( s² * m² ) = kg/ ( s² * m )

After:

kg/ ( s² * m ) / ( kg/ ( s² * m²) ) = m

Finally;

Building height = 4700 / (9.8 * 1.29) m

Building height = 4700 / 12.64 m

Building height = 371.77 m

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Answer:

Engine oil level.

Brake fluid.

Power steering fluid.

Answer:

B.

Explanation:

I think not sure hehe

Answer:

it's answer B. I took the test

To find the power transmitted per rope at a pulley speed of 200 rev/min,(a) Power transmitted per rope at a pulley speed of 200 rev/min: 1616.5 W

Power = (Tension in the rope) * (Pulley speed)

First, let's calculate the tension in the rope. The tension in the rope can be determined by considering the equilibrium of forces acting on the rope.

From the given information:

Effective diameter of the pulley = 1.5m

Minimum angle of lap = 180°

Mass of rope per meter run = 0.45kg

Maximum permitted load per rope = 650N

Coefficient of friction = 0.25

The tension in the rope can be calculated using the equation:

Tension = (Maximum permitted load per rope) + (Mass of rope per meter run * g)

where g is the acceleration due to gravity (9.81 m/s²).

Next, we calculate the tension:

Tension = 650N + (0.45kg * 9.81m/s²)

Now we can calculate th23526864e power:

Power = Tension * Pulley speed

Substituting the values, we get:

Power = (Tension) * (200 rev/min)

To find the pulley speed when centrifugal tension accounts for half the permitted load in the rope, we can use the equation for centrifugal tension:

Centrifugal Tension = (Mass of rope per meter run * Pulley speed²) / (Effective diameter of pulley)

Half the permitted load in the rope can be calculated as:

Half Load = (Maximum permitted load per rope) / 2

Now we can rearrange the formula for centrifugal tension to solve for pulley speed:

Pulley speed = sqrt((Half Load * (Effective diameter of pulley)) / (Mass of rope per meter run))

Finally, we can calculate the power using the formula:

Power = (Tension + Centrifugal Tension) * Pulley speed

Substituting the values, we can determine the pulley speed and the power transmitted.

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In the free market, firms meet consumer demand through a price-based system that ensures that land, labor, and capital go to the uses consumers value most highly. This explains why in a free market resources are allocated efficiently.

The free market is a system where buyers and sellers interact with little to no government intervention. It's also known as capitalism or laissez-faire, which means "let it be" in French. A free market economy is a type of economy in which individuals own and manage resources, goods, and services.

The market is dominated by supply and demand, with no intervention or regulation from the government. The price-based system of the free market assures that firms allocate resources efficiently to meet the consumer's demands.

In a free market economy, firms have incentives to produce what consumers value most because prices adjust to reflect the relative scarcity of resources.

Hence, firms must allocate resources efficiently to maximize profits. The free market assures that resources are allocated effectively and efficiently to meet the needs of consumers.

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1a. (∀x)(∀y)((person(x) ∧ person(y) ∧ taller(x, y)) → (tall(x) ∧ short(y)))

1b. (∃x)(tall(x) ∧ (∀y)(short(y) → taller(x, y)))

1c.

Proof:

Step 1:

Assume (person(s) ∧ person(t) ∧ short(s) ∧ tall(t))

Step 2:

From Step 1, we know that (person(s) ∧ person(t) ∧ short(s) ∧ tall(t)) is true.

Step 3:

Assume ¬ taller(s, t) is false, i.e. taller(s, t) is true.

Step 4:

From Step 3, taller(s, t) is true, which contradicts the assumption in (1c) that ¬ ∃s ∃t [person(s) ∧ person(t) ∧ short(s) ∧ tall(t) ∧ taller(s, t)].

Step 5:

From Step 4, it follows that ¬ taller(s, t) must be true, i.e. (person(s) ∧ person(t) ∧ short(s) ∧ tall(t)) → ¬ taller(s, t) is true.

Step 6:

Since Step 5 holds for any s and t that satisfy (person(s) ∧ person(t) ∧ short(s) ∧ tall(t)), it follows that

(∀s)(∀t)((person(s) ∧ person(t) ∧ short(s) ∧ tall(t)) → ¬ taller(s, t)) is true.

Hence, the proof is complete.

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Answer:

I believe it would be to lower the troop seats.

Explanation:

Answer:The two-second rule is a rule of thumb by which a driver may maintain a safe trailing distance at any speed. The rule is that a driver should ideally stay at least two seconds behind any vehicle that is directly in front of his or her vehicle.

Explanation:

The task referred to in the given statement is the task of identifying and mitigating potential security risks in a system, organization, or process. The security risk assessment process is a critical step in ensuring the security and integrity of information systems and protecting against cyber threats.

The goal of the security risk assessment process is to identify potential security risks, vulnerabilities, and threats to a system and determine the likelihood and potential impact of these risks. This information can then be used to develop a risk management plan that outlines the strategies and controls needed to mitigate or eliminate these risks.Some common tasks involved in the security risk assessment process may include identifying potential attack vectors, evaluating system configurations and settings, analyzing access controls and user permissions, and assessing network architecture and topology.By performing a comprehensive security risk assessment, organizations can identify and prioritize security risks, allocate resources effectively, and develop proactive strategies to prevent security breaches and data loss. This process is critical for ensuring the security and reliability of information systems in today's increasingly interconnected and complex digital environment.

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Answer:a

a) Vo/Vi = - 3.4

b) Vo/Vi = - 14.8

c) Vo/Vi = - 1000

Explanation:

a)

R1 = 17kΩ

for ideal op-amp

Va≈Vb=0 so Va=0

(Va - Vi)/5kΩ + (Va -Vo)/17kΩ = 0

sin we know Va≈Vb=0

so

-Vi/5kΩ + -Vo/17kΩ = 0

Vo/Vi = - 17k/5k

Vo/Vi = -3.4

║Vo/Vi ║ = 3.4    ( negative sign phase inversion)

b)

R2 = 74kΩ

for ideal op-amp

Va≈Vb=0 so Va=0

so

(Va-Vi)/5kΩ + (Va-Vo)74kΩ = 0

-Vi/5kΩ + -Vo/74kΩ = 0

Vo/Vi = - 74kΩ/5kΩ

Vo/Vi = - 14.8

║Vo/Vi ║ = 14.8  ( negative sign phase inversion)

c)

Also for ideal op-amp

Va≈Vb=0 so Va=0

Now for position 3 we apply nodal analysis we got at position 1

(Va - Vi)/5kΩ + (Va - Vo)/5000kΩ = 0           ( 5MΩ = 5000kΩ )

so

-Vi/5kΩ + -Vo/5000kΩ = 0

Vo/Vi = - 5000kΩ/5kΩ

Vo/Vi = - 1000

║Vo/Vi ║ = 1000  ( negative sign phase inversion)

The change in the velocity of the object will be 314.30 meters per second.

The movement of an object in relation to another observer is known as its relative velocity. It is the pace at which one object's relative location changes in relation to another object over time.

An object travels to the right with a speed of 149.5 m/s and then travels left at 164.8 m/s.

Then the velocity of the object is given as,

v = 149.50 - (-164.80)

v = 149.50 + 164.80

v = 314.3 m/s

The change in the velocity of the object will be 314.30 meters per second.

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Answer:

I think the answer is d: underground tunnel

Explanation:

Hope this helps

Answer:

electrical

computer

mechanical

and manufacturing .... I think

The answer is electrical, manufacture, computer, and chemical

Answer:  So to calculate the flexural strength (σ), multiply the force by the length of the sample, and then multiply this by three. Then multiply the depth of the sample by itself (i.e., square it), multiply the result by the width of the sample and then multiply this by two

Explanation:

A ProTORQ adjustable nut is unique to a preset hub. Wheel hub assemblies that are pre-adjusted and sealed at the factory are known as preset hubs. They are meant to simplify the installation process.

These bearings, which are frequently used in gearboxes, hoisting apparatus, rolling mills, and mining equipment, can support strong radial loads and axial loads in both directions, depending on the design.

The word "setting" for tapered roller bearings refers to the precise amount of end play (axial clearance) or preload (axial interference) present within a mounted bearing. The freedom to easily alter and optimise configuration at the time of assembly is an inherent advantage of tapered

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Since technician A says if there is too much clearance, there will be a high-pitched noise after the engine starts. technician A is correct. Hence option A is correct.

What could be the probable reason for a loud whine right after the engine starts? The flywheel ring gear to pinion gear clearance is inadequate.

Most of the time, a serpentine belt is to blame for the squealing. It is the extraordinarily lengthy belt that loops through numerous pulleys that is visible when you open your hood. It links the crankshaft to many components, including the alternator, power steering, air conditioning, and water pump.

Therefore, a loose wire, a wire that is overloaded, or a wire that is not correctly grounded are the three problems that might cause humming or buzzing from an outlet or switch. Since each of these scenarios poses a fire risk, you should consult a licensed electrician.

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See full question below

Pinion gear-to-flywheel ring gear clearance is being discussed: Technician A says that if there is too much clearance, there will be a high pitch while the engine cranks. Technician B says that if there is too little clearance, there will be a high pitch noise after the engine is started. Who is correct? a. Technician A b. Technician B c. Both A and B d. Neither A nor B

Coefficient of friction during contact at tool-workpiece interface. A coefficient of friction is defined as the ratio of the force of friction between two bodies in contact to the normal force pressing them together. The following formula calculates the coefficient of friction.

μ = F/N

Where;

F is the frictional force between two bodies.

N is the normal force pressing the two bodies together.

Given, Shear stress = 400 MPa. Normal contact stress = 600 MPa. We know that;μ = tanφ, Where,φ is the angle of friction. To calculate the angle of friction,φ = tan -1 (τ/σn)Where,τ is shear stress.σn is normal stressφ = tan -1 (400/600)φ = 33.69°

Therefore,μ = tanφ, μ = tan33.69°= 0.659. This implies that the coefficient of friction is 0.659. So, this is the answer for the given question.

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