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Answers

Answer 1

Answer:

234567891234567891234567891 what is this?????

Answer 2

Explanation:

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IS THIS IS A QUESTION

OH DON'T MIND JUST ASKING

BTW

GOOD MORNING/AFTERNOON/EVENING/NIGHT

HOW ARE YOU

HAVE A GREAT DAY AHEAD

PLS MARK ME AS BRAINLIEST


Related Questions

Of the cost reduction strategies for workers' compensation mentioned in the required readings, which one do you think would work best in an industry you work in or an industry you are interested in working in? Why do you think this method is the best for your chosen industry?

Answers

In industries together with production, we want people to address the manufacturing of merchandise and the usage of heavy machinery.

What is the painting situation?

In such painting situations, people are at risk of injuries, and this prices the maximum for the company. So so that you can put into effect value discount is such conditions we want to have right coincidence cowl plans for the people and make sure all of the protection precautions are taken withinside the factory.

The people have to be properly educated on using protection measures and in case any injuries arise we have to have coverage claims in order that we not want to make investments extra cash and we also can offer protection and protection to the people. This approach is excellent for this enterprise due to the fact regardless of what number of precautions we take people are uncovered to fitness risks and as a result having the right coverage insurance is a superb value discount strategy.

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PROJECT MANAGEMENT
Activity – RENOVATING A HOME
Questions:
As a project manager, you realize there may be substantial resistance to changes brought about by this project, describe any strategy or strategies you would employ to resolve this issue. (Make mention of any group from which this resistance may originate.)
After analyzing this project what TWO (2) risks have you identified and how would you respond to these risks as the project manager?

Answers

As a project manager, I would employ the following strategy to address resistance to changes in the home renovation project:

Strategy: Effective Communication and Stakeholder Engagement

To address resistance to changes, it is crucial to establish open and transparent communication channels with all stakeholders involved in the project. This includes homeowners, contractors, architects, and any other relevant parties. By actively engaging with stakeholders and listening to their concerns, I can gain their trust and create a collaborative environment.

Firstly, I would conduct regular meetings to explain the purpose and benefits of the renovation project. This would help stakeholders understand the need for change and alleviate any uncertainties or misconceptions. Clear and concise communication is key to ensuring everyone is on the same page.

Secondly, I would encourage active participation from stakeholders, seeking their input and involvement in decision-making processes. By involving them in the planning and design stages, they will feel a sense of ownership and be more willing to embrace the changes. This approach also allows for potential conflicts or objections to be addressed early on, reducing resistance later in the project.

Additionally, I would establish a feedback mechanism to address any concerns or issues promptly. This could involve setting up a dedicated communication channel or having a designated project team member responsible for handling stakeholder queries. Regular updates on project progress and milestones would also help manage expectations and build trust.

By employing effective communication and stakeholder engagement strategies, I can minimize resistance to changes and foster a collaborative environment throughout the home renovation project.

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Identify the correct statements in the context of friction factors of laminar and turbulent flows
a) In turbulent flow, the tubes with rough surfaces have much higher friction factors than the tubes with smooth surfaces
b) In turbulent flow, the tubes with rough surfaces have much lower friction factors than the tubes with smooth surfaces.
c) In laminar flow, the friction factor is dependent on the surface roughness
d) In laminar flow, the friction factor is independent of the surface roughness.

Answers

Answer:

a) In turbulent flow, the tubes with rough surfaces have much higher friction factors than the tubes with smooth surfaces.

Explanation:

Turbulent flow is a type of fluid flow in which fluid will undergo irregular fluctuations. The tubes with rough surfaces have higher friction factors than the tubes with smooth surfaces. In laminar flow the effect of effect of surface roughness is negligible on friction factors.

What is a variable in computer programming?

Answers

A variable is a value in programming that is subject to change based on external factors or data that has been passed into the program.

What is computer program?A program is an organized set of instructions for a computer to follow. A program contains a one-at-a-time series of instructions that the computer follows in the modern computer that John von Neumann described in 1945.Computer programs include MS Word, MS Excel, Adobe Photoshop, Internet Explorer, Chrome, and others.Functional Programming Language. Programming language for scripts. programming language for logic. Object-Oriented Programming Language software, instructions that direct a computer. The total collection of scripts, procedures, and procedures used to run a computer system is referred to as software. The phrase was created to distinguish these instructions from hardware, or the actual parts of a computer system. A program is an organized set of instructions for a computer to follow.

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contrast moral and immoral creativity and innovation

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Moral creativity and innovation are based on original discoveries,  whereas immoral innovation is based on unscrupulous actions.

What is innovation?

Innovation refers to the practices aimed at developing new products and services for the well-being of society.

Moral innovation is an expression generally used to describe technological advancements based on intellectual property rights.

In conclusion, moral creativity and innovation are based on original discoveries,  whereas immoral innovation is based on unscrupulous actions.

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Why are specimens usually very thin slices of material.

Answers

Because of the thinness, light can flow through, making the specimen visible.

How large a force is required to accelerate a 1300 kg car from rest to a speed of 20 m/s in a distance of 80 m?

Answers

F=m*a

F=80*20

F =1600 ans"

Answer: basically we are asked to find it's force and the formula that helps us to find force is Force= Mass× Acceleration

so let's put out the given and what we need to find

GIVEN. Solution

F=m.a

Mass= 1300. F=1300kg×20m/s

speed (Acceleration)=20m/2. F=26000Kg.m/s

Force=? F=26000N

N stands for Newton and the reason that it comes Newton is because it is the SI-unit of Force and the result of kg×m/s.

a misfire code is a type ____ DTC
A) 1 or 2
B) a or b
C) c or d
D l or ll

Answers

Answer:

A misfire code is a type A DTC.

Explanation:

A misfire code is a type A DTC.

A Misfire generate unburned hydrocarbons thereby increasing the load on the catalytic converter. Misfires are due to incomplete combustion or lack of combustion.

Diagnostic Trouble Code (DTC) is a type of code used by the vehicle’s onboard diagnostics (OBD) system to alert when the vehicle has a problem. Type A DTC is the most serious DTC, this are emissions related.  It requests illumination of the MIL after one failed driving cycle and stores a freeze frame DTC after one failed driving cycle.

Fill in the tables and find the equivalent resistance for the following circuits:

Fill in the tables and find the equivalent resistance for the following circuits:

Answers

Answer:

12 32

Explanation:

What is the outer part of a ship called?

Answers

The outer part of a ship is called deck. the tallest deck along the length of the vessel, from stem to stern.

Vehicle deck: (naval) a deck or decks used to transport vehicles on amphibious assault ships; a deck used for a similar purpose aboard passenger ferries and other commercial vessels. Any deck that is outside is a weather deck. The watertight body of a ship, boat, or flying boat is known as the hull. The hull may be completely or partially covered by a deck, or it may open at the top (like a dinghy). A deckhouse and other superstructures, such as a funnel, derrick, or system, may be located on top of the deck.

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A movement is defined by the equation
x_1 = X_1 + atX_2, 12 = X_2, x_3 = X_3
Where "a" is a function of time, a(t), furthermore a(0) =0
a) Verify that the vorticity vector field is zero during movement.
b) Show the existence of rotating material linear elements

Answers

vorticity = ∇ x v = [d(wx)/dz - d(vy)/dy] i + [d(wy)/dx - d(wx)/dz] j + [d(vx)/dy - d(wy)/dx] k

The strain tensor is given by the equation, εij = (1/2)[(∂ui/∂xj) + (∂uj/∂xi)]

The rotation tensor is given by the equation, ωij = (1/2)[(∂ui/∂xj) - (∂uj/∂xi)]

(a) The vorticity vector field is defined as a measure of local rotation in a fluid movement or the rotation of a moving object relative to a reference point.

For a moving body, the vorticity vector field is defined as twice the angular velocity vector. Let us look at the equation for the movement:

x1 = X1 + at X2, 12 = X2, x3 = X3

Differentiating the above equation twice, we get:

vorticity = ∇ x v = [d(wx)/dz - d(vy)/dy] i + [d(wy)/dx - d(wx)/dz] j + [d(vx)/dy - d(wy)/dx] k

From the above equation, we can say that the vorticity vector field is zero, since all the partial derivatives in the above equation are equal to zero.

(b) The existence of rotating material linear elements means that the body has non-zero strain and nonzero vorticity. In the case of the equation of movement given:

x1 = X1 + atX2, 12 = X2, x3 = X3

The strain tensor is given by the equation, εij = (1/2)[(∂ui/∂xj) + (∂uj/∂xi)]

The rotation tensor is given by the equation, ωij = (1/2)[(∂ui/∂xj) - (∂uj/∂xi)]

If both the tensors have a non-zero value, then the material elements are rotating.

However, as we have seen earlier, the vorticity vector field is zero, which means that the body is not rotating and thus, there are no rotating material linear elements.

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.Write a program that uses a void function void miles_to_km() to generate a kilometer
conversion table for all even kilometers from 2 miles to 62 miles. Use two decimal
places for kilometers.

Answers

Explanation:

rational

Step-by-step explanation:

The discriminant (d) of a quadratic equation ax^2 + bx + c = 0ax

2

+bx+c=0 is:

\boxed{\mathrm{d =} \ b^2 - 4ac}

d= b

2

−4ac

.

If:

• d > 0, then there are two real solutions

• d = 0, then there is a repeated real solution

• d < 0, then there is no real solution.

In this question, we are given the quadratic equation 3x^2 + 4x - 2 = 03x

2

+4x−2=0 . Therefore, the discriminant of the equation is:

b² - 4ac = (4)² - 4(3)(-2)

= 16 - (-24)rational

Step-by-step explanation:

The discriminant (d) of a quadratic equation ax^2 + bx + c = 0ax

2

+bx+c=0 is:

\boxed{\mathrm{d =} \ b^2 - 4ac}

d= b

2

−4ac

.

If:

• d > 0, then there are two real solutions

• d = 0, then there is a repeated real solution

• d < 0, then there is no real solution.

In this question, we are given the quadratic equation 3x^2 + 4x - 2 = 03x

2

+4x−2=0 . Therefore, the discriminant of the equation is:

b² - 4ac = (4)² - 4(3)(-2)

= 16 - (-24)

= 40

Since the discriminant, 40, is greater than zero, the quadratic equation has 2 rational solutions.

= 40

Since the discriminant, 40, is greater than zero, the quadratic equation has 2 rational solutions.

In the circuit shown below, a load having an impedance of 39 + j26 Ω is fed from a voltage source through a line having an impedance of 1 + j4 Ω. The effective, or rms, value of the source voltage is 250 V.
• Calculate the load current IL and load voltage VL.
• Calculate the average and reactive power delivered to the load.
• Calculate the average and reactive power delivered to the line.
• Calculate the average and reactive power supplied by the source

Answers

The circuit is a voltage divider with impedances ZL = 39 + j26 Ω and ZT = 1 + j4 Ω.

1- To calculate the load current IL, we can use the voltage divider equation: IL = VL / ZL = VS / (ZL + ZT)

2- To calculate the load voltage VL, we can use the voltage divider equation: VL = IL * ZL

3- To calculate the average power delivered to the load, we can use the formula: Pl = VL * IL * cos(Φ) where Φ is the phase angle between the voltage and current.

4- To calculate the reactive power delivered to the load, we can use the formula: QL = VL * IL * sin(Φ)

5- To calculate the average power delivered to the line, we can use the formula: Pl = VL * IL * cos(Φ)

6- To calculate the reactive power delivered to the line, we can use the formula: QL = VL * IL * sin(Φ)

7- To calculate the average power supplied by the source, we can use the formula: Ps = VS * IL * cos(Φ)

8- To calculate the reactive power supplied by the source, we can use the formula: Qs = VS * IL * sin(Φ)

Note that to calculate the above values, you need to know the values of VS, ZL, and ZT, as well as the phase angle Φ.

2. Viscosity is a measure of how easily a fluid flow such as water. Thabo wants to investigate how viscosity of water varies with temperature which can be determined by the following correlation: u=c10 where u = viscosity (N/s. m²) T = temperature (K) C1 = 2.414 x 10-ʻ(N/s. mº) C2 = 247.8 K C3 = 140 K Using MATLAB, create a table for Thabo that shows the viscosity of water as a function of temperature in the range of 0° C (273.15 K) to 100° C (373.15 K) in increments of 5° C. Also, create a graph showing the value of viscosity as a function of temperature. [10 marks]​

Answers

Answer:

Trust me the answer is B I took the quiz last week

Technician A says the master cylinder changes the driver's mechanical force on the pedal to
hydraulic pressure.
Technician B says this hydraulic pressure is changed back to mechanical force at the wheel brakes.
Who is correct?

Answers

Answer:

Explanation:

Both technicians are correct, but they are describing different parts of the brake system.

Technician A is describing the function of the master cylinder, which converts the mechanical force exerted on the brake pedal by the driver into hydraulic pressure. The master cylinder contains a piston that moves in response to the force applied to the brake pedal, which in turn pressurizes the brake fluid in the hydraulic lines.

Technician B is describing the function of the wheel brakes themselves. The hydraulic pressure generated by the master cylinder is transmitted through the brake lines to the calipers or wheel cylinders at each wheel. These components convert the hydraulic pressure back into mechanical force, which applies the brake pads or shoes to the rotors or drums and slows down the vehicle.

Therefore, both technicians are correct in their descriptions of the brake system, but they are referring to different components.

If the effective mass of holes is greater than the effective mass of electrons in semiconductor material, Question 3 options: the intrinsic Fermi energy is slightly above the center of the bandgap. the bandgap is wider than it would be if the situation were reversed. there is no effect on the intrinsic Fermi energy level. the intrinsic Fermi energy is slightly below the center of the bandgap.

Answers

Answer:

The intrinsic Fermi energy is slightly below the center of the bandgap ( option A )

Explanation:

Given that the effective mass of holes is > than the effective mass of electrons in a semiconductor the Intrinsic Fermi energy is slightly below the center of the bandgap.

Intrinsic Fermi energy is experienced/present in the occupation of energy levels in the valence or conduction bands of an intrinsic conductor

pls discuss the concepts in which architectural forms/visuals correlate in the design process​

Answers

Answer:

Visual connectivity refers to the tangible aspects of a space; extent to which a place can be viewed from other places. It is believed that the design properties of a spatial layout of an atrium leaves unobstructed views horizontally and vertically.

Explanation:

a) Calculate the real and reactive power associated with each circuit element in the circuit in Fig. P9.63. b) Verify that the average power generated equals the average power absorbed.
c) Verify that the magnetizing vars generated equal the magnetizing vars absorbed.
v_a = 60 cos 40,000t V, v_b = 90 sin (40,000t + 180) V

Answers

a) To calculate the real and reactive power associated with each circuit element in the circuit shown in Fig. P9.63, we need to use the given voltages and the impedance values of the elements. For element a, we have a resistance of 10 ohms and a reactance of 20 ohms, so the real power is P = V^2/R = (60^2)/10 = 360 W and the reactive power is Q = V^2/X = (60^2)/20 = 180 VAR. For element b, we have a resistance of 5 ohms and a reactance of -10 ohms, so the real power is P = V^2/R = (90^2)/5 = 1620 W and the reactive power is Q = V^2/X = (90^2)/(-10) = -810 VAR.

b) To verify that the average power generated equals the average power absorbed, we need to find the average power for each element and then compare them. The average power is given by P_avg = (1/T)*∫(0 to T) P(t) dt, where T is the period of the waveform. Since both waveforms have a period of 1/40,000 seconds, we can calculate the average power for each element using this formula. For element a, the average power is 0 W since it is an inductor and does not dissipate power. For element b, the average power is P_avg = (1/2)*(1620 W) = 810 W. Therefore, the average power generated by element b equals the average power absorbed by it.

c) To verify that the magnetizing VARs generated equal the magnetizing VARs absorbed, we need to calculate the reactive power associated with the inductor and the capacitor in the circuit. The inductor and capacitor form a resonant circuit, so the reactive power will be continuously exchanged between them. The magnetizing VARs generated by the inductor are Q_L = V_L^2/X_L = (60^2)/(20) = 180 VAR, where X_L is the inductive reactance. The magnetizing VARs absorbed by the capacitor are Q_C = V_C^2/X_C = (90^2)/(10) = 810 VAR, where X_C is the capacitive reactance. Since the magnitudes of these reactive powers are equal and opposite, we can say that the magnetizing VARs generated by the inductor equal the magnetizing VARs absorbed by the capacitor.

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Please help me solve Problem 21.2

Please help me solve Problem 21.2

Answers

__________________________________________________________

Hello! In this question, we are trying to find the maximum value of shear flow in the web of the wing spar. Note that we are trying to find this with a section that is 1 meter away from the free end of the beam.
__________________________________________________________

Explanation:

In this problem, we know that:

the web has a thickness of 2 mm.Fully effective in resisting direct stress

This information should be kept in mind and can help us solve our problem.

__________________________________________________________

Solve:

Let us begin to solve the problem.

Since we're analyzing the moment in one section, in this case, we can note this as "section 1", we can use this formula to determine the moment in this section:

\(M_{1}=\frac{wl^2}2}\)
Whereas:

w = distributed load (15 kN/m)l = length of beam (1 m)

Plug in the values into the equation and solve:

\(M_{1}=\frac{15*1^2}2}=7.5\text{kN-m}\)
Now, let us find the moment of inertia of the beam in our 1st section. We'll use the formula:

\(I_{xx}=\frac{BD^3}{12} +2Ah^2\)

Whereas:

B = width (2 mm)D = depth (300 mm)A = area (500 mm²)h = centroid of this section (150 mm)

Plug in the values into the equation and solve:

\(I_{xx}=\frac{2(300)^3}{12} +2(500)(150)^2=2.7\times10^7\:\text{mm}^4\)
Now knowing our moment and inertia, we can solve our direct distress in the z direction of our flanges using the following formula:

\(\sigma_{z,U} = -\sigma_{z,L}=\frac{M_{1}}{I_{xx}}y\)
We know:

\(M_{1}=7.5\text{kN-m}\)\(I_{xx}=2.7\times10^7\:\text{mm}^4\)y = 150mm

Plug the values into the equation and solve. (Note that unit conversion was done for M1):

\(\sigma_{z,U} = -\sigma_{z,L}=\frac{7.5\text{kN-m}*(\frac{1000 N}{1kN})(\frac{1000mm}{1m} )}{2.7\times10^7}(150mm)=-41.7\:\text{N/mm}^2\)
Since we now know what our direct distress is, we can find the bending moment resultant with the formula:

\(P_{z,U}=\sigma_{z,U}\times A\)

We know:

\(\sigma_{z,U} = -\sigma_{z,L}=-41.7\:\text{N/mm}^2\)A = 500 mm² (according to our wing spar given in our problem)

Plug in the values to our equation and solve:

\(P_{z,U}=-41.7\:\text{N/mm}^2\times 500\:mm^2=-20850\:N\)
Now knowing our bending moment resultant, we can now find our flange load of the web section. Note that our flange load is uniformly distributed. We will use the formula:

\(P_{U}=\sqrt{P_{z,U}^2+P_{y,U}^2}}\)
We know that:

\(P_{z,U}^2= -20850\:N\)\(P_{y,U}^2=0\)

Plug in the values into the equation and solve:
\(P_{U}=\sqrt{(-20850)^2+0^2}}=20850\:N\)
Please note that the answer we calculated above is our tension (T).

Let's now calculate our bending moment resultant using:

\(P_{y,L}=P_{z,L}\times\frac{\delta{y}^2}{\delta_{z}}\)

We know:

\(P_{z,L}=-20850\:N\)\(\delta{y}^2=100\:mm\)\(\delta_{z}=1\:m\)

Plug in the values and solve. To make things go faster, I included the unit conversion for our denominator value:

\(P_{y,L}=-20850\:N\times\frac{100\:mm}{(1\:m\times\frac{1000\:mm}{1\:m} )}=-2085\:kN=2085\:kN\)
Please note that the above calculation would be our compression value.

Let's calculate our shear force in the web in our 1st section using a known relationship:

\(S_{y}=-W\times\delta_{z}+P_{y,L}\)
We know:

W = 15 kN/m\(\delta_z=1\:m\)\(P_{y,L}=2085\:N\)

Plug in our known values and solve:

\(S_{y}=-15\times(1\:m\times\frac{1000\:mm}{1\:m} )+2085=-12915\:N\)

In order to figure out what our shear flow is (note that our shear flow is represented as q), we will use the relationship:

\(q=\frac{S_y}{I_{xx}} [\int_{0}^{s}2(150-s)ds+500\times(\frac{300}{2} )]\)

We know:

\(S_{y}=-12915\:N = 12915\:N\)\(I_{xx}=2.7\times10^7\:mm\)

Plugging in the values, we will get:

\(q=\frac{12915}{2.7\times10^7\:mm} [\int_{0}^{s}2(150-s)ds+500\times(\frac{300}{2} )]\)

Simplify the equation:

\(q=4.78\times10^{-4} [\int_{0}^{s}(300-s)ds+75000]\)
Integrate the equation:

\(q=4.78\times10^{-4} [\int_{0}^{s}(300-s)ds+75000]\\\\q=4.78\times10^{-4} ((300s-\frac{2s^2}{2} +[0])+75000)\\\\q=4.78\times10^{-4} ((300s-s^2 )+75000)\)

We now have our equation for the shear flow. We know that the max value of shear flow will happen when s equals 150 mm, so let's plug in the value 150 mm into "s" in our "q" equation and solve:

\(q=4.78\times10^{-4} ((300(150)-150^2 )+75000)=\boxed{46.8\:N/mm}\)

__________________________________________________________

Answer:

The max value of shear flow in the web in the 1st section of the beam is:

\(q=\boxed{46.8\:N/mm}\)

__________________________________________________________

What’s the most important reason we should need a mask? Is the ban on removal of the mask requirement being implemented too fast in an area without general consensus (moral, political, cultural, technological)?

Answers

Answer:

What’s the most important reason we should need a mask?

we were because it protects us from germs and viruses.

Is the ban on removal of the mask requirement being implemented too fast in an area without general consensus (moral, political, cultural, technological)?

Face coverings limit the volume and travel distance of expiratory droplets dispersed when talking, breathing, and coughing.

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draft is not necessary in die casting due to the shrink and ejector pins group of answer choices false true

Answers

The given statement "draft is not necessary in die casting due to the shrink and ejector pins" is false.

Die casting is a manufacturing process in which molten metal is injected into a steel die under high pressure. This produces a part that is accurate, smooth, and often has a very thin wall. Die casting is the most efficient way to produce complex, accurate metal parts with fine detail, and it is frequently used in the automotive and aerospace industries, among others.

To make die casting possible, a slight taper, known as a draft angle, is added to the walls of the die. This makes it easier to eject the finished piece and prevents it from becoming stuck inside the die. The need for a draft angle in die casting. Die casting requires the use of a draft angle on all vertical faces.

The angle is typically 1-3 degrees for aluminum alloys and 3-5 degrees for zinc alloys. The inclusion of draft angles on castings reduces the overall cost of the process. Because the part can be easily removed from the mold, less metal is used in the part, and the manufacturing process is faster.

Furthermore, draft angles can aid in the flow of molten metal, allowing for better filling of cavities and minimizing porosity in the finished product.

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1. Based on Rayleigh's hypothesis, find the friction coefficient and the viscous drag coefficients for a plate of length L moving at velocity Vo. 2. For Vo= 10 m/s and L= 2 m, calculate the viscous drag of a plate of width of 1 m in water and air. Notes-Rayleigh's hypothesis: The flow vx(x,y) at any position x on a flat plate of length L, moving at velocity Vo is the same as that on an impulsively started infinite plate after a time t equal to the time since the leading edge pass the postion x (or t = x/V.), Or, х ch(x, y) = 0, = (-y) of the Rayleigh Flow

Answers

The viscous drag coefficient for a plate of width 1 m in water is Cd = 0.0158, and for air, it is Cd = 0.0968.

The viscous drag coefficient using the equation Cd = 2Cf.

Rayleigh's hypothesis states that the flow velocity at any position x on a flat plate of length L, moving at velocity Vo is the same as that on an impulsively started infinite plate after a time t equal to the time since the leading edge passes the position x (or t = x/Vo).

Mathematically, this is expressed as х ch(x, y) = 0, = (-y) of the Rayleigh Flow. Using this hypothesis, we can calculate the friction coefficient and viscous drag coefficients for a plate.

The friction coefficient is given by Cf = 1.328/sqrt(Re_x), where Re_x is the Reynolds number at position x on the plate. The viscous drag coefficient is given by Cd = 2Cf, where Cd is the coefficient of drag.

To calculate the viscous drag of a plate of width 1 m moving at a velocity of 10 m/s in water and air, we first need to calculate the Reynolds number at the position x on the plate. The Reynolds number is given by Re_x = (rho * Vo * L)/mu, where rho is the density of the fluid, mu is the dynamic viscosity of the fluid, and L is the length of the plate.

For water, the density is 1000 kg/m^3, and the dynamic viscosity is 0.001 Pa.s. For air, the density is 1.225 kg/m^3, and the dynamic viscosity is 0.0000181 Pa.s.

For a plate of length L = 2 m, the Reynolds number at x = L is given by Re_L = (rho * Vo * L)/mu = 20000 for water and 122549 for air. Using the friction coefficient equation, we can calculate the friction coefficient at x = L, which is given by Cf = 1.328/sqrt(Re_L).

Finally, we can calculate the viscous drag coefficient using the equation Cd = 2Cf. The viscous drag coefficient for a plate of width 1 m in water is Cd = 0.0158, and for air, it is Cd = 0.0968.

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the string of a helium balloon slips from your hand and rises up into the air. when this happens

Answers

When the string of a helium balloon slips from your hand and rises into the air, the balloon rises until it reaches an altitude where its weight equals that of the same volume of air.

When a helium balloon is released, it rises until it reaches an altitude where its weight equals that of the same volume of air. This is due to the principle of buoyancy.

Helium gas is lighter than air, which causes the balloon to initially ascend. As the balloon rises, the surrounding air pressure decreases, and so does the density of the air. Eventually, the balloon reaches an altitude where the density of the surrounding air matches the density of the helium-filled balloon.

At this point, the upward buoyant force acting on the balloon becomes equal to the downward gravitational force (weight) acting on the balloon. This balance of forces causes the balloon to stop rising further and instead float at a relatively stable altitude.

Option c) accurately describes this behavior, where the balloon rises until it reaches an altitude where its weight equals that of the same volume of air.

The question should be:

The string of a helium balloon slips from your hand and rises into the air. when this happens

a) the balloon rises indefinitely because helium is lighter than air

b) the balloon rises until it reaches an altitude where the air and helium densities are equal.

c) the balloon rises until it reaches an altitude where its weight equals that of the same volume of air

d) the balloon rises continually but slows down to the effect of viscosity

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Represent each of the following combinations of
units in the correct SI form using an appropriate prefix:
(a) , (b) , and (c) .

Answers

The correct SI Form of the following combinations of Units are given as follows:

A) kN/μs = GN/s

B) Mg/mN; = Gg/N

C) MN/(kg.ms)  = GN/(kg.s)

What is a SI Unit?

The International System of Units, abbreviated SI in all languages and often pleonastically as the SI system, is the current version of the metric system and the world's most extensively used measuring system.

The System of Units, often known as the metric system, is frequently shortened as SI, which originates from the original French word, Système international d'unités.

A) kN/μs  = (10) ³N/ (10) ⁻6s

= (10)⁹ N/s

= GN/s

B) Mg/mN = (10⁶)g/10⁻³/N

= Gg/N

C) MN/ (kg.ms) = 10⁶N/kg * (10⁻³)s

= 10⁹ (N/kg · s)

= GN/Kg · S)

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Full Question:

Represent Each Of The Following Combinations Of Units In The Correct Si Form Using An Appropriate Prefix:

A) kN/μs

B) Mg/mN; and

MN/(kg.ms)

A pulse-jet baghouse is desired for a finished cement plant. Calculate the number of bags required to filter 500 m3/min of air with a dust loading of 3.0 g/m3. Each bag is 3.0 m long with a 0.13 m diameter. If the average pressure drop is 1.0 kPa and the main fan is 60% efficient, calculate the fan power in kW. If the pulse air volumetric flow rate is 0.5% of the filter airflow rate and the pulse air pressure is 6.0 atm, calculate the power drawn by a 50% efficient compressor (in kW).

Answers

Answer:

1) 4.41 * 10^-4 kw

2) 2.20 * 10^-4 kw

Explanation:

Given data:

Filter = 500 m^3/min

dust velocity = 3g/m^3

bag ; length = 3 m , diameter = 0.13 m

change in pressure = 1 kPa

efficiency = 60%

1) Calculate the Fan power

First :

Calculate the total dust loading = 3 * 500 = 1500 g

To determine the Fan power we will apply the relation

\(n_{o} = \frac{\frac{p}{eg*Q*h} }{1000}\)    = \(\frac{\frac{p}{(3*10^{-3})* 981*( 500/60) *3 } }{1000}\)

fan power ( \(n_{0}\) ) = 4.41 * 10^-4 kw

2) calculate power drawn

change in P = 6 atm = 6 * 10^5 pa

efficiency compressor = 50%

hence power drawn = 4.41 * 10^-4 kw  * 50% = 2.20 * 10^-4 kw

A common application for the rod and tube type of control is in a(n) ____________________-mounted limit control.

Answers

A common application that is used for the rod and tube type of control is in a duct-mounted limit control.

What is a control system?

A control system can be defined as a type of input and output system that is designed and developed to typically maintain stable (constant) conditions and processes, usually without excessive human interference.

In Control engineering, a duct-mounted limit control is a control system that is commonly used for the operation of the rod and tube type of control.

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what is saxophone ????? ​

Answers

Answer:A saxophone is a instrument

Explanation:type of single-reed woodwind instrument with a conical body, usually made of brass. As with all single-reed instruments, sound is produced when a reed on a mouthpiece vibrates to produce a sound wave inside the instrument's body.

A clay that loses nearly all of its shear strength after being disturbed is called a(n) ___ clay. Such clays are the most mobile of all deposits. quizlet

Answers

A clay that loses nearly all of its shear strength after being disturbed is called a **quick clay**.

Quick clays are highly sensitive and can undergo significant and rapid changes in their properties when subjected to disturbances such as loading or vibrations. They can become fluid-like and flow, leading to landslides or other geotechnical hazards. These clays are known for their high water content and unique composition, which makes them prone to instability. It is important to identify and properly manage quick clay deposits to mitigate the associated risks and ensure the safety of infrastructure and communities in areas where such clays are present.

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What is the transfer function of a filter? What is the transfer function of a filter? The transfer function shows how a filter affects the phase of input components as a function of frequency. It is defined as the output phasor divided by the input phasor as a function of frequency. The transfer function shows how a filter affects the amplitude and phase of input components as a function of frequency. It is defined as the input phasor divided by the output phasor as a function of frequency. The transfer function shows how a filter affects the amplitude and phase of input components as a function of frequency. It is defined as the output phasor divided by the input phasor as a function of frequency. The transfer function shows how a filter affects the phase of input components as a function of frequency. It is defined as the input phasor divided by the output phasor as a function of frequency.

Answers

Answer: Provided in the explanation section

Explanation:

A precise explanation is provided here to make it easy for understanding

(a). The transfer option shows how a filter affects the amplitude and phase of input components as a function of frequency. It is defined as the output phasor divided by the input phasor as a functoon of frequency.

H(jw) = V₀ (jw) / Vin(jw)

(b).  To determine the transfunction of a filter, we connect a sinusoidal source to be the input part, measure the amplitude and phases of both the input signal and resulting output signal using voltmeters.

Oscilloscope or other instruments, and divide the Output phasor by the input phasor. This is is repeated for all frequencies.

cheers i hope this helped !!

All of these are true about GMA (MIG) welding EXCEPT that:
O both the base metal and electrode are melted.
O shielding gas protects the well, tiom contamination.
O heat is produced using a short electric arc.
the welding gun liner regulates the shielding gas.

Answers

Answer:

the welding gun liner regulates the shielding gas.

Explanation:

The purpose of the welding gun liner is to properly position the welding wire from the wire feeder till it gets to the nozzle or contact tip of the gun. Regulation of the shielding gas depends on factors such as the speed, current, and type of gas being used. In gas metal arc welding, an electric arc is used to generate heat which melts both the electrode and the workpiece or base metal.

The electric arc produced is shielded from contamination by the shielding gas. The heat generated by the short electric arc is low.

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