momentum???

**Answer: 0.765 m kg / s**

**Explanation:**

Momentum = (mass) x (speed)

What are some similarities between the scientific method and the engineering design process

One similarity between the **scientific method **and the **engineering design process **is that "They are both **iterative processes **that begin with a problem."

The **engineering design process **is a set of processes that engineers use to solve an issue. Problem-solving techniques such as establishing your objectives and limitations, **prototyping**, **testing**, and **assessment **are among the phases.

It always serves a clear and well-defined goal. **Experiments **may be conducted to better **understand **the **problem **(or a potential solution), but the purpose of engineering design is always to **solve **a **problem**.

The engineering design approach enables students to **learn from** **failure **and stresses open-ended problem solutions. This technique develops students' capacity to **devise creative** **answers **to problems in any discipline.

The process involves:

The **scientific method **is an **empirical way **of collecting information that has been used in science since at least the 17th century. It entails thorough observation and applying severe skepticism to what is observed, given that **cognitive preconceptions **might alter how the observation is interpreted.

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a tensile stress is to be applied along the long axis of a cylindrical brass rod that has a diameter of 10 mm (0.4 in.). determine the magnitude of the load required to produce a change in diameter if the deformation is entirely elastic.

**Answer:**

let me know if this's helpful.

The **load** required to produce a change in diameter of 10 mm in a cylindrical brass rod is **1.57 N.**

A tensile stress of 0.157 MPa is required to produce a change in diameter of 10 mm in a cylindrical brass rod. The deformation is entirely elastic, so the **Poisson's ratio** for brass is 0.34, and the modulus of elasticity is 97 GPa.

The **load** required to produce this tensile stress is 1.57 N.

To solve this problem, we can use the following **equation**:

**Stress** = (Change in diameter) * (π / (2 * Diameter))

Plugging in the values for the change in diameter, diameter, and **Poisson's ratio,** we get the following tensile stress:

Stress = (0.001) * (π / (2 * 0.010)) = 0.157 MPa

The **load** required to produce this tensile stress is then:

Load = Stress * Modulus of Elasticity

Plugging in the **values** for the tensile stress and modulus of elasticity, we get the following load:

Load = 0.157 MPa * 97 GPa = 1.57 N

Therefore, the **load** required to produce a change in diameter of 10 mm in a cylindrical brass rod is 1.57 N.

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consider a venturi with a throat-to-inlet area ratio of 0.8, mounted on the side of an airplane fuselage. the airplane is in flight at standard sea level. if the static pressure at the throat is 2100 lb/ft2, calculate the velocity of the airplane.

A positive **velocity** is seen as being in the direction of the aircraft's tail. A pitot tube can be used to directly measure the **airspeed** on the aircraft.

The ground travels aft at a **speed** known as the ground speed at a chosen reference point on the airplane. I calculate my ground speed to be 116 m/s using an angular velocity of 0.02328 radians per second. This indicates that the plane is traveling at the same speed. The **velocity** of an airplane in relation to the air mass it is traveling through is known as **airspeed**. Simply put, it happens when thrust is hindered by drag. The Airbus A321neo will travel at an average **speed** of 600 km/h, or 10 km/min, to cover a distance of 1200 kilometers in two hours.

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assuming complementary inputs are available, the minimum number of transistors needed to realize a two input xor gate is:

Assuming **complementary inputs** are available, the minimum number of transistors needed to realize a two input xor gate is 4.

If two inputs work well together in the production process, they are said to be complements. Since the inputs are used in fixed proportions, if the **price **of one input lowers, more of it will be sought after, increasing the demand for the other input.

In this study, a model of anticompetitive exclusive contracts with complimentary inputs is built. A downstream company converts a variety of **complementary inputs** into finished goods. When complementary input providers hold a dominant position in a specific input market, upstream competition **price **within that market benefits both the downstream firm and the **complementary inputs **providers by driving up complementary input **price**s.

Thus, even when entry that is socially optimal is permitted, the downstream firm is unable to generate higher profits. Therefore, even in the absence of scale economies, downstream competition, and relationship-specific investment, the inefficient incumbent provider can prevent socially efficient entrance by employing exclusive contracts.

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Why are Airplanes fast enough to travel thru the air

Answer:

Airplanes have a small little jet on the back allowing them to get in the air but they have these big engines on the side allowing them to maintain their spot in the air

Explanation:

How did inventors like lee deforest and edwin howard armstrong fund their initial research and development ventures into radio technologies?.

The creation of a "**supersonic heterodyne**" **radio** receiver circuit, later abbreviated to "superheterodyne," was **Armstrong's **greatest achievement during this time. This circuit, which is still widely used today, increased the sensitivity and selectivity of **radio receivers.**

**When was the radio invented by Edwin Armstrong?**

**1933**

The **superheterodyne **circuit, which he developed in 1918, is a very selective method of capturing, converting, and significantly amplification relatively weak, high frequency **electromagnetic** waves. His greatest accomplishment, wide-band frequency modulation, or FM radio, was created in 1933.

Following this achievement, the Patent Office approved **de Forest's** two patents for the** ultra-audion** and the **regenerative circuit**. He subsequently filed a lawsuit against **Armstrong **for violating his ultra-audion patents. The Pennsylvanian court ruled in de Forest's favor.

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a single crystal of a metal that has the fcc crystal structure is oriented such that a tensile stress is applied parallel to the [110] direction. if the critical resolved shear stress for this material is 1.75 mpa, calculate the magnitude(s) of applied stress(es) necessary to cause slip to occur on the (111) plane in each of the [110], [101], and [011] directions

For surfaces that are perpendicular to one direction, the stress **magnitude** is greatest, and for surfaces that are parallel to that **direction**, the stress **magnitude** is zero.

**Stress** is the applied force or system of forces that tends to deform a body from the viewpoint of loading. **Stress** is the internal distribution of forces within a body that balance and respond to the loads given to it from the viewpoint of what is happening inside a material. **Stress** is a measurement of how a substance reacts to external influences. It is merely a ratio of the material's cross sectional area to the external forces. Stress (S = R/A, where S is the **stress**) is the ratio of force to area.

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What might be the effects if one of the AC unit fans stopped working? Explain in terms of energy and pressure and temperature.

*If the AC unit fan is not spinning, the first thing to check is the circuit breaker. Take a look at the circuit breaker associated with the AC unit and see if it's been tripped. A circuit breaker may trip from overheating due to outside temperatures and the motor's heat.*

suppose the input signal is 7.3 v. if using the successive approximation method to encode the signal for a 6-bit register for an adc with a full-scale range of 10 v, the value in decimal number will be (precision is 3 digits after the decimal point):

One of the well-known **traditional** approaches for solving integral equations is the successive **approximations** method (SAM).

In the literature, it is sometimes referred to as the Picard iteration approach. In fact, this approach offers a strategy for resolving initial value issues or integral equations. With each incremental **approximation** toward the objective **behavior** of pressing the lever, Skinner would praise the rat for taking a step toward it, standing on its hind legs, and touching it. Using a binary search over all feasible quantization levels before settling on a digital output for each conversion, a successive-**approximation** ADC transforms a continuous analog signal into a discrete digital representation.

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_______________ occurs when the effect of one drug is enhanced by the presence of another drug.

**Synergism ***occurs when the effect of one drug is enhanced by the presence of another drug.*

*Synergism occurs when the effect of one drug is enhanced by the presence of another drug. It occurs due to the interaction between two or more substances which produces a combined effect.*

a service has a three-phase supply with 14 single-pole circuits and 4 three-pole circuits. the minimum number of poles required is . select one: a. 18 b. 22 c. 26 d. 30

Most of our home's basic lights and all **conventional** 110-volt outlets with standard two-slot outlet **receptacles** are controlled by single-pole breakers.

We should check a single-pole breaker if a circuit trips and the lights and appliances on that **circuit** become dark and silent. An **electric** "pole" is a phrase used to describe an electric charge that is based on the ratio of protons to electrons in an atom. The pace at which the voltage in an alternating current oscillates is referred to as an **electric** "phase." The number of distinct **circuits** that a switch may control is indicated by its pole. A double pole switch can control two circuits, whereas single pole switches only control one.

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two technicians are discussing the indirect tire-pressure monitoring system. technician a says that it was used by some vehicle manufacturers. technician b says that it uses the speeds of the rf and lr tires and compares the rotating speeds of the lf and rr tires to detect a low tire. which technician is correct?

Two technicians are discussing the **indirect tire**-**pressure monitoring** **system**. Technician A says that it was used by some vehicle manufacturers. technician b says that it uses the speeds of the rf and lr tires and compares the rotating speeds of the tires to detect a low tire. It is important to note that **BOTH **technicians **are correct**.

The systems that do not include air pressure sensors within the tires are known as indirect **tire** **pressure** **monitoring systems **(TPMS). Instead, they recognize a low tire by evaluating relative wheel revolutions via the **ABS** wheel speed **sensors**.

The driver must calibrate the system by hitting a reset button on the dashboard or through the **electronic** **controller**, and if this is done when any tire is underinflated, the system will not report appropriately.

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find the discrete time signal for sampling frequency 2.5 hz. what are the digital frequencies present? (remember to put all digital frequencies into the principal range) reconstruct the analog signal, assuming a sampling frequency of 2.5 hz which elements of the original signal were aliased, if any? using excel, python or matlab, plot the original signal, the sampled signal, and the reconstructed signal for the time interval t

A series of **values** that represent distinct points in time make up a discrete-time signal. The corresponding **signal values** are the signal samples, and the time instants at which the signal is defined are the **signal** sample times.

Time is a **discrete **variable**.** An illustration of a discrete-time signal is the weekly Dow Jones stock market index. We use the symbols t to denote the continuous variable and n to denote the **discrete**-time variable to distinguish between continuous-time and discrete-time signals. Systems that process discrete-time signals, or sequences of signal values that are typically produced as **equidistant** samples of continuous-time waveforms along the time axis, are known as discrete-time systems. **Discrete**-time models are straightforward to comprehend, create, and simulate.

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Water is flowing into a conical vessel 15 cm deep and having a radius of 3.75 cm across the top. if the rate at which the water rises is 2cm/seconds, how fast is the water flowing into the conical vessel when the water is 4 cm deep?

The **water **is flowing into the conical vessel at a rate of **6.28 cm³/s**

The formula for the volume of the conical vessel can be given as;

V = 1/3π(r²)h

Here h represents height and r represents **radius**.

As,

15/3.75 = h/r

Cross multiplying;

15r = 3.75h

r = 3.75h/15

So we can get the volume in terms of height as follows;

V = 1/3π(3.75h/15)²(h)

V = 1/3π(14.0625/225)h³

V = 14.0625πh³/675

As we have to find how fast the water is flowing in the conical vessel it can be represented as; dh/dt

Now

dV/dt = dV/dh × dh/dt

dv /dt = d/dt [14.0625πh³/675] = 14.0625π/675 (3h²) dh/dt

Substituting the values;

2 = 14.0625π/675 (3)(4²) dh/dt

2 = 3.14 dh/dt

dh/dt = 6.28 cm³/s

Hence, the water is flowing into the **conical vessel **at a rate of 6.28 cm³/s

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this is a multi-part question. once an answer is submitted, you will be unable to return to this part. an ideal cogeneration steam plant is to generate power and 8600 kj/s of process heat. steam enters the turbine from the boiler at 7 mpa and 500°c. one-fourth of the steam is extracted from the turbine at 600 kpa pressure for process heating. the remainder of the steam continues to expand and exhausts to the condenser at 10 kpa. the steam extracted for the process heater is condensed in the heater and mixed with the feedwater at 600 kpa. the mixture is pumped to the boiler pressure of 7 mpa.

This response is accompanied by the T-s or H-s **graphic**.

2. The steam **extraction** rate is 4.088 kg per second.

3. Steam leaving the boiler has a net power output of 1089.5 KJ/Kg.

4. The** boiler's mass** flow rate of steam is 16.352Kg/s.

5. The plant generates 11016.2KJ/s of net electricity.

6. 0.218 is the usage **factor**.

We must ascertain all of the **system's thermodynamic** coordinates in order to examine the issue. The optimal cogeneration steam plant technology can be seen in the second image that is attached to this response.

We may get the details for each point from a chart of the **thermodynamic** characteristics of water.

+ Steam from the boiler reaches the turbine at 7 MPa and 500 °C:

h₆=3410.56KJ/Kg

s₆=6.7993 KJ/Kg

As a result, this **cogeneration** steam system is suitable. s₆=s₇=s₈

At 600 kPa, one-fourth of the steam is removed from the turbine:

2773.74 KJ/Kg = h7(s7) (overheated steam)

+The remaining steam **expands** further and exhausts to the condenser at a pressure of 10 kPa.

(This is wet **steam** with title X=0.8198; h8(s8)=2153.58 KJ/Kg.)

s1=0.64925KJ/Kg and h1(P=10Kpa)=191.83 KJ/Kg (condensed water).

**Pumping** this flow to 600KPa results in:

s₂=s₁

h₂(s₂)=192.585KJ/Kg

+The heater **condenses** the steam that was taken for the process heater.

h₃(P=600KPa)=670.42KJ/Kg (condensed water) (condensed water).

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negative impact of cellular base station on physical environment

The **negative **impact of** cellular base station** on physical environment is that the **environment** may be prone to noise pollution and radiation which can lead to harmful substance been release to the environment and such leading to health issues such as cancer, lungs **damages**, etc.

A base station is a **stationary **transceiver used in telecommunications that serves as the **primary **hub for one or more wireless mobile client devices. A base station acts as the **primary** point of connectivity for wireless devices.

Note that a base **station **is a device that uses radio frequencies to transfer a wireless signal to a smaller **handheld **device (such as via a telephone line or the Internet). **Cordless **telephones have a base station and a handset that communicate via radio waves.

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give hihvfhnffthjjnmurdg

**Answer:**

take gdrumnjjhtffnhfvhih

**Explanation:**

you have to do just opposite. is that clear?

**Answer:**

???

**Explanation:**

What is this...

Making sure that all objectives are shared among team members and that all activities benefit the team's final objective means the team is

self-presentational

critical in their thinking

O goal-oriented

ineffective

Making sure that all objectives are shared among **team** members and that all activities benefit the **team's** final objective means the team is: C. **goal-oriented**.

A **team **can be defined as a group of people with common aims, **goals**, and objectives that are assembled by a project manager or **team **lead, in order to share, execute and implement a project successfully.

A **goal** simply refers to an outcome statement and strategic objectives that defines what an individual or a group of people (**team**) hopes to successfully achieve (accomplish) or reach in the future i.e over a specific period of time.

In conclusion, it is very important and essential for all project **team **to be **goal-oriented**.

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(GIVING BRAINIRLY)does anyone know what this is? is it a sliding glass door or?

My guess would be a sliding door.

This is likely because the wall seems to be containing a “pocket” for the door when it is moved.

When the door is in the pocket, the wall formerly containing the door will be exposed.

This is added to let the builder/designer to know that it is not a traditional door

I don’t know what else it could be…

I hope this helps

This is likely because the wall seems to be containing a “pocket” for the door when it is moved.

When the door is in the pocket, the wall formerly containing the door will be exposed.

This is added to let the builder/designer to know that it is not a traditional door

I don’t know what else it could be…

I hope this helps

What is insurance an example of? Select one:

a. Risk avoidance

b. Risk assignment

c. Risk mitigation

d. Risk rejection

**Answer:**

Insurance is an example of **C****.**** ****Risk**** ****Mitigation****.**

**Explanation:**

Insurance is used to manage (or mitigate) risk. Companies and individuals purchase insurance to protect themselves from financial stress. For example, car insurance insures your car up to a certain percentage or value amount if something were to happen to your car while driving.

C++ question, programming fundamentals I

Hdjajdjsjejfjdjdjdjjdjdjd

which of the following is not a factor that controls stream behavior? a. the average velocity of the water. b. the average width and depth of the channel. c. the sediment load. d. none of the above. they are all factors. e. the channel gradient.

The **factors **that do not control **stream behavior **are none of the above. They are all **factors**. The correct option is **d.**

**Humans **go through various stages of development during their lives, similar to other **animal species**, and each stage is distinguished by a unique combination of morphological, **physiological**, and behavioral **characteristics**.

This phrase provides **important information **about how to behave when developing work **skills**. Additionally, the individual's lifestyle, socioeconomic class, and other cultural and environmental factors influence their possible conduct.

Therefore, the correct option is **d. **none of the **above**. They are all **factors**.

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What is the capacitance if an insulator with dielectric constant κ and thickness d/2 is slipped between the electrodes without changing the plate separation?.

let, A be the are of cross section of the **electrodes**.

The **capacitance** is C.

Let E represent the electric field between the **electrodes**.

Be the charge per square meter (sigma).

∉ be the permittivity of open space

and considering the fact that

**Insulator's dielectric constant** is K.

Between the **electrodes** is slid d/2.

between the electrodes is now an electric field.

E = sigma + sigma + sigma

E = sigma / ——1

we are aware,

E = V /(d/2)

V = E d/2

V=sigma /*d/2 ( from equation 1)

V = d/2 sigma ———2

once more, we are aware

C = Q/V

Sigma A/(sigma d/2) = C Using Q = sigma A and equation 2,

C = 2∉A/d

has a K-valued dielectric constant.

C = 2K∉A/d

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Find the Transfer Function using the Block Diagram.

The** transfer function** from the given diagram is given as follows:

[tex]\frac{X(s)}{F(s)} = \frac{s + 3}{s + 13 + G(s)}[/tex]

How to find the transfer function of a system?The transfer function of a system is given by the **ratio **between the output X(s) and the input F(s), as follows:

H(s) = X(s)/F(s)

From the initial **subtraction** operation, we have that:

F(s) - X(s) = E(s)

In which E(s) is the error of the system.

After the subtraction, the **error **is measured as follows, considering the perturbation G(s) and the multiplication of the blocks:

E(s) = (10 + G(s))(1/(s + 3))X(s)

**Replacing **this into the initial function, we have that:

F(s) - X(s) = (10 + G(s))(1/(s + 3))X(s)

Using latex for better visibility of the operations:

[tex]F(s) = X(s) + \frac{10 + G(s)}{s + 3}X(s)[/tex]

Using X(s) as the **common **term, we have that:

[tex]X(s)\left(1 + \frac{10 + G(s)}{s + 3}\right) = F(s)[/tex]

[tex]X(s)\left(\frac{s + 3 + 10 + G(s)}{s + 3}\right) = F(s)[/tex]

[tex]X(s)\left(\frac{s + 13 + G(s)}{s + 3}\right) = F(s)[/tex]

Hence the** transfer function** is given as follows:

[tex]\frac{X(s)}{F(s)} = \frac{s + 3}{s + 13 + G(s)}[/tex]

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What is Electrical resistance welding basic principles

According to the **basic principles **of Electrical Resistance** **Welding**, Resistance welding **is used to fuse two metals together. See further explanation below.

It is to be noted that **Electrical Resistance Welding **comprises a welding head that exerts pressure and holds the metal between its **electrodes**, as well as a welding power source that applies **electric current **to the metal to be welded. When force is exerted, resistance creates friction heat.

A **weld **is a metal coalescence formed by heating to an appropriate **temperature **with or without pressure, and with or without the introduction of a filler substance.

**Resistance welding bonds** are classified into three types:

Different materials having dissimilar grain structures, such as **molybdenum **to tungsten, are bonded utilizing a relatively short heating time, **high weld energy**, and high force in a **solid state bond**, also known as a **thermo**-**compression bond**.

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The source term will affect all algebraic equations.

The statement about the **source term** affecting all algebraic equations is; False

What is the source term in Algebraic Equations?

In the finite-element method of Analysis, we usually go from **differential equations** to a set of **algebraic equations**. Now, it is pertinent to note that each algebraic equation will tend to relate a nodal value with all other nodal values.

The **assumed polynomial variation** that will exist within each element is usually the basis for which we derive the algebraic equations. Thus, to derive the algebraic equations, we will have to assume a polynomial variation for the parameter values within each element.

The above can be done through interpolation of nodal parameter values in the post-processing stage. This is because the assumed **polynomial variation** within each element that is used for deriving the algebraic equations is also used for **post-processing.**

Finally, for each algebraic equation, the source term will tend to contribute to the coefficient that is taken to the right hand side of it and then entered into the **corresponding row** of the {f} vector.

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Complete Question is;

Select true or false.

The source term will affect all algebraic equations.

A.) True

B.) False

The source term will affect all algebraic equations.

The statement "the **source **term will affect all **algebraic equations**" is definitely **true**.

**Algebraic equations** may be defined as the **mathematical **declaration through which two or more **expressions **are set with the intention of being equal to each other. It represents a set of variables that undergo algebraic **operations**.

According to the context of this question, the **source term** significantly **contributes** to the measure of the algebraic variables that are generally taken to the **right-hand side** and then entered into the corresponding row of the **force vector**.

Therefore, the statement "the **source **term will affect all **algebraic equations**" is definitely **true**.

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observation that r2 and /?3 in effect are in parallel (because the ideal op amp forces a virtual ground at the inverting input terminal). use this observation to derive an expression for the gain (v()/vt) by first finding (vx/vz) and (v0/vx). for the latter use the voltage-divider rule applied to /?4 and (/?21| /?3)

Rx is the individual **resistor** across which the output voltage drop is being measured, and VRx is the **voltage** divider formula for a circuit with many resistors.

The distribution of the input **voltage** among the divider's parts produces **voltage** division. Two resistors linked in series with the input voltage applied across them and the output voltage emerging from the connection between them serve as a straightforward example of a **voltage** divider. The **currents** flowing through the resistors R1 and R2 are I1 and I2, respectively, while the voltage across each element is VS. At node P, the KCL equation will be. IS=I1+I2. Replace I1=VSR1 and I2=VSR2 in the equation above.

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Are Low-voltage systems are totally safe

Not totally safe because is dangerous in the Reason,is a voltage With a number of death descent

what is magnetization

**Answer:described by direction and is either Axial or Diametric**

**Explanation:**

**Answer:**

Magnetization is the density of magnetic dipole moments that are induced in a magnetic material when it is placed near a magnet.

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