Match the term to the best description scientific method

he maximum shear stress is equal to one half the difference of the principal stresses.

Moreover, It should be noted that the equation for principal planes, 2θp, yields two angles between 0° and 360°. The maximum out-of-plane shear stress is 10.2 ksi. We can see why the out-of-plane shear stress is maximum by looking at Mohr's circle. The radius of the inner blue circle is the maximum in-plane shear stress.

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Answer:

The answer is below

Explanation:

Case hardening is a form of steel hardening that is applied on mild steel with a high temperature of heat.

It results in material forming a hard surface membrane, while the inner layer is soft.

It is mostly used for universal joints, construction cranes, machine tools, etc.

On the other hand, Through hardening is a form of steel hardening in engineering that involves heat treatment of carbon steel.

It increases the hardness and brittleness of the material.

It is often used for axles, blades, nuts and bolts, nails, etc.

The initial value problem that models the heat transfer in an infinitely long rod with convection can be represented as follows:

∂u/∂t = k * ∂²u/∂x²

where:

u(t, x) represents the temperature distribution in the rod at time t and position x.

k is the coefficient of convection.

∂u/∂t represents the rate of change of temperature with respect to time.

∂²u/∂x² represents the second derivative of temperature with respect to position, which accounts for the spatial variation of temperature in the rod.

In addition to the partial differential equation, we also need to specify the initial condition:

u(0, x) = f(x)

where:

f(x) represents the initial temperature distribution along the rod at time t=0.

Together, the partial differential equation and the initial condition form the initial value problem that models the heat transfer in the infinitely long rod with convection.

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Answer:

Potential energy

Explanation:

"Potential energy" is a type of energy an object has when it's at rest or in this case not moving. The car is parked, and the engine is off, that means there is no electrical, kinetic, thermal, or mechanical energy in play since the engine isn't running and the car isn't moving. The radio is off too so that means there is no sound energy or electric energy (again) in play either. You are just parked with the car completely shut off, but you do have the potential to move the car by turning on the engine and start driving, which means potential energy is currently in use.

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Answer:

C) a winding connected in series with the armature.

Explanation:

In a series motor, an electromagnet is used as a stator to generate its magnetic field. The field coil of this stator are connected through a commutator in series with the rotor windings. This stator which is the armature windings will conduct AC even on a DC machine, due to the  periodically reverses current direction (commutation) or due to electronic commutation (as in brushless DC motors).

how am I going to do this, I have a friend that might be able to help I will check

The first legal procedural step the Navy must take to obtain the desired change to airspace designation is to submit a proposal to the FAA.

What is airspace designation?

Airspace designation is the division of airspace into different categories. The FAA (Federal Aviation Administration) is responsible for categorizing airspace based on factors such as altitude, aircraft speed, and airspace usage. There are different categories of airspace, each with its own set of rules and restrictions. The purpose of airspace designation is to ensure the safe and efficient use of airspace for all aircraft, including military and civilian aircraft.

The United States Navy (USN) may require a change to airspace designation to support its operations.

he navy must follow a legal procedure to request and obtain the desired change. The first step in this process is to submit a proposal to the FAA. This proposal should provide a clear explanation of why the Navy requires a change to the airspace designation. The proposal should include details such as the location of the airspace, the type of aircraft operations that will be conducted, and any safety concerns that the Navy has.

Once the proposal has been submitted, the FAA will review it and determine whether the requested change is necessary and appropriate. If the FAA approves the proposal, the Navy can proceed with the necessary steps to implement the change.

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Answer:

a voltage never stops

Explanation:

top down as fully explained

The diameter, bolt M27 is known to be 3.0mm in pitch and 41mm across flats.

This is a term that is often seen as the Major diameter. The diameter of a bolt is known to be a kind of a Shank diameter which is said to be often shown or expressed in the unit called millimeters in regards to Metric bolts.

This is so due to the  fact that it is almost the same as the Major or Thread diameter.

Therefore, The diameter, bolt M27 is known to be 3.0mm in pitch and 41mm across flats.

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Answer:

a) ZT = [ 38.786 ∠-4.28° ] ohms

b) ZT = [ 8.673 ∠4.06° ] ohms

Explanation:

Given that;

Voltage V = 480V

three loads of 1) 10Kw, 8 kVAR

2) 5 kVA, 0.9 power factor lagging

3) 12kW, 0.95 pf leading

Now for load1

Active power P = V^2 / R

Resistance R1 = V^2 / P

= (480 * 480) / 10*1000 = 23.04 OHMS

Reactive power Q = 8kVAR

let x be reactance

Q = V^2 / x

8 * 1000 = (480 * 480) / x

x1 = j28.8 ohms (inductive)

Load 2

Active power = kVA * nf = 5 * 9 = 4.5 Kw

Reactive power = sqrt(S^2 - P^2)

= Sqrt (5^2 - 4.5^2)

= 2.179 kVAR

now Resistance R2 = V^2 / P2 = (480 * 480) / 4.5*10^3

= 51.2 ohms

Reactance X2 = V^2 / Q2 = (480 * 480) / 2.178*10^3

X2 = 105.75 ohms

x2 = -j105.75 ohms (capacitive)

Load 3

Active power = 12kW AND PF = 0.95

so

kVA rating = 12/0.95 = 12.63 kVA

reactive power Q3 = sqrt (12.63^2 - 12^2 )

= 3.94 kVAR

Resistance R3 = V^2/P3 = (480*480) / 12*10^3

= 19.2 ohms

Reactance x3 = V2 / Q3 = (480 * 480) / 3.94*10^3

x3 = 58.47 ohms

x3 = -j58.47 ohms (capacitive)

NOW

a)

series combination of R and X

1/ZT = [1/(R1 + jx1)] + [1/(R2-jx2)] + [1/(R3-jx3)]

we substitute

1/ZT = [1/(23.04 + j28.8)] + [1/(51.2 - j105.74)] + [1/(19.2-58.48)]

1/ZT = 0.02571 + j1.92688*10^-3

ZT = 38.67 -j2.897 (total impedance)

so ZT = [ 38.786 ∠-4.28° ] ohms

b)

parallel combination of R AND X

1/ZT = 1/R1 + 1/jx1 + 1/R2 + 1/(-jx2) + 1/R3 + 1/(-jX3)

1/ZT = 1/23.04 + 1/j28.8 + 1/51.2 + 1/(-j105.74) + 1/19.2 + 1/(-58.48)

1/ZT = 0.1150 - j0.008164

ZT = 8.65 +j0.6141

so ZT = [ 8.673 ∠4.06° ] ohms

Answer:

C). America’s veterans defend our freedom, but they sacrifice their personal ambitions and their lives, and many of them suffer physically and mentally from their experiences.

Explanation:

A good thesis statement must provide the central idea or theme of the paper or the essay in a capsule form along with its theoretical base. The key characteristics of a thesis statement are its arguability, specificity, and intensity. As per these descriptions, the above statement correctly relates the main point('America's...freedom') very clearly and precisely. It also contains the arguability which can be supported through further evidences.

Answer:

I’m sorry I don’t understand this is there more steps?‍♀️

Explanation:

Answer:

skate-themed video games

library research

interviews with skaters

documentaries on skater culture

(I got a 90% on the test so I dont  know if this was the one that gave me the 90% but it said it was right)

Answer:

Answer

have PPE on wash hands after

Explanation:

Answer:

The correct option is A

Explanation:

Thermoplastics are polymers that can be recycled. They can be melted with heat and moulded into any shape which becomes hard when cooled. The heat applied to it in the process of recycling does not affect its chemical composition.

There are two main classes of thermoplastics; semi-crystalline and amorphous.

An amorphous thermoplastic has a disorderly arranged molecular structure which makes it difficult to have a definite melting temperature (Tm). However, a semi-crystalline thermoplastic has a well arranged molecular structure which makes it melt after a certain/definite amount of heat is absolved. Hence, the correct answer is A

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For starters, most vehicles are front-wheel drive (FWD), so it makes sense to have the engine over the wheels that need traction. This makes the vehicle much more stable, and also helps maintain a relatively balanced weight distribution when accelerating.

The use of a front motor offers two main advantages: better engine cooling and more uniform weight distribution.

In this problem we have the case of a car, whose motor is in the front of the car. Now we proceed to summarize advantages of a front motor:

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A galaxy with z = 0 is not moving away from us and is located at a distance of 0 megaparsecs (Mpc) from Earth according to the Hubble Law.

The Hubble Law describes the relationship between the recessional velocity of a galaxy and its distance from us. It can be expressed as v = H0 × d, where v is the recessional velocity, d is the distance to the galaxy, and H0 is the Hubble constant.

When z = 0, it means that the galaxy is not moving away from us, and its recessional velocity is zero. Therefore, we can rearrange the Hubble Law equation to solve for the distance, which gives us d = v / H0 = 0 / H0 = 0 Mpc.

Thus, a galaxy with z = 0 is not moving away from us and is located at a distance of 0 Mpc from Earth according to the Hubble Law.

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Answer:

D

Explanation:

B only. The specifications state that the draw should be between 10 and 30 milliamps, which is equal to 0.01-0.03 amps. The DVOM reading of 0.251 amps is significantly higher than the specified range, indicating that there is a problem with the vehicle's electrical system. Technician A is incorrect in stating that the draw is within the specification range. Technician B is correct in saying that the draw is too high.

Your question is: A vehicle is being tested for a draw against the battery with the ignition switch in the OFF position. The specifications state the draw should be between 10 and 30 milliamps. The DVOM reads 0.251 amps. Who is correct between Technician A and Technician B?

Technician A says the draw is within the specification range, while Technician B says the draw is too high. In this case, Technician B is correct. The draw should be between 10 and 30 milliamps, but the DVOM reads 0.251 amps, which is equivalent to 251 milliamps. This value is higher than the specified range. Therefore, the correct answer is B. B only.

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Answer:

Typically, diesel trucks cost more than those with gas engines, especially when you're first buying them, as diesel is usually featured as an add-on for gas-powered cars. Diesel add-ons can cost over $5,000 for midsize trucks and around $10,000 for heavy-duty trucks.

Explanation:

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The solution to the initial value problem is y(x) = 0.8 × cos 5x - 1.3 × sin 5x

To verify if the given functions form a basis, check if they are linearly independent and span the entire solution space. Start with the given functions:

a) Functions: cos 5x, sin 5x

To check linear independence, take a linear combination of the functions and set it equal to zero:

A × cos 5x + B × sin 5x = 0

To show that the only solution is A = 0 and B = 0, differentiate both sides:

-5A × sin 5x + 5B × cos 5x = 0

Now, set x = 0 to simplify the equation:

-5A × sin 0 + 5B × cos 0 = 0

This simplifies to:

5B = 0

Since sin 0 = 0 and cos 0 = 1, the equation becomes:

5B = 0

From this equation, B must equal 0. Plugging this value back into the original linear combination equation:

A × cos 5x + 0 × sin 5x = 0

This simplifies to:

A × cos 5x = 0

Since cos 5x ≠ 0 for all x, conclude that A must also equal 0. Therefore, the functions cos 5x and sin 5x are linearly independent.

Now, to check if they span the solution space, determine if any solution to the differential equation y" - 25y = 0 can be expressed as a linear combination of the given functions. In this case, the general solution to the differential equation is:

y(x) = C1 × cos 5x + C2 × sin 5x

where C1 and C2 are constants.

Since the given functions cos 5x and sin 5x are part of the general solution, they span the solution space.

Therefore, the functions cos 5x and sin 5x form a basis.

Now, move on to solving the initial value problem:

a) y" - 25y = 0, cos 5x, sin 5x, y(0) = 0.8, y'(0) = -6.5

The general solution to the differential equation is:

y(x) = C1 × cos 5x + C2 × sin 5x

To solve for the constants C1 and C2, use the initial conditions.

Given: y(0) = 0.8, y'(0) = -6.5

Plugging in the values:

y(0) = C1 × cos(0) + C2 × sin(0) = C1

C1 = 0.8

Now, differentiate the general solution to find y'(x):

y'(x) = -5C1 × sin 5x + 5C2 × cos 5x

Plugging in x = 0:

y'(0) = -5C1 × sin(0) + 5C2 × cos(0) = 5C2

Given: y'(0) = -6.5

5C2 = -6.5

C2 = -1.3

Therefore, the solution to the initial value problem is:

y(x) = 0.8 × cos 5x - 1.3 × sin 5x

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The main difference between the Reach stackers and straddle carriers are both types of materials handling equipment used to move cargo and goods around a warehouse or port.

Reach stackers are typically used to move large, heavy items and to store goods in racks or stacks. Straddle carriers, on the other hand, are used to move light loads, such as containers and sacks, and are suitable for use in smaller spaces.  Reach stackers offer more lifting power than straddle carriers, while straddle carriers offer more maneuverability and a tighter turning radius.

The main points of the comparison between reach stacker and straddle carrier:

Reach stacker:

Straddle carrier:

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Answer:

Car Payments. Making payments on your car is the biggest, most obvious expense of your vehicle. ...

Insurance. Insurance is another primary expense to consider when budgeting for a new car. ...

Gas. ...

Maintenance. ...

Fees & Taxes.

Explanation:

Answer:

Owning a car is expensive. Between the price of the vehicle, financing costs, insurance, taxes, and maintenance, owning one —let alone two — cars can drain your bank account quickly.

Explanation:

Answer:

The first five terms of the given geometric sequence are

8,40,200,1000,5000

Explanation:

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Disc pad rivets come into contact with a rotor. This contact generates heat that causes the backing plate to expand. This expansion results in the backing plate pushing the disc pad away from the rotor.

That's why you'll hear a clunk or click when you release the brake pedal. What is the distance at which the disc pad rivets can contact a rotor The answer is option OD, which is 1/64th inch.In a brake system, disc pad rivets should not contact the rotor. If they do, they will wear the rotor prematurely and make a scraping sound. If the brake pads are worn too thin, they will grind against the rotors, causing damage to the rotors and making noise.

thickness of the brake pads and the amount of rotor material remaining are the two most critical measurements in determining if the rotors need to be resurfaced or replaced. If the rotors are worn, they may require replacement, which will be expensive. If the rotors have deep grooves, scoring, or are cracked, they must be replaced.

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As the distance between two charged objects increases, the strength of the electrical force between the objects decreases.

This is known as Coulomb's inverse square law, which states that the force between two charged objects is inversely proportional to the square of the distance between them.Mathematically, the force between two charged objects is given by the equation F = k * (q1 * q2) / r^2, where F is the force, k is Coulomb's constant, q1 and q2 are the magnitudes of the charges on the two objects, and r is the distance between them.As the distance between the objects increases (r gets larger), the force between them decreases (F gets smaller). Conversely, if the distance between the objects decreases, the force between them increases. Therefore, option (d) is the correct answer.

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Answer:

Impermeable

Explanation:

Something that is impermeable does not allow water or liquid to pass through it.