In a transformer, primary has 250 V ac mains with trans ratio 10:1 find

a) the peak ac current (on the low voltage side of the transformer only)

b) the rms ac current (on the low voltage side of the transformer only)

The given parameters include coil resistance, total mass, stiffness of suspension, physical volume, cone diameter, and the f3 frequency.

To calculate the resonant frequency of the tweeter in a square, sealed box, we need to consider the parameters and their effects on the system. The resonant frequency is determined by the combined influence of the tweeter's mechanical and electrical characteristics.

The given parameters such as coil resistance, total mass (including air displaced by the cone), stiffness of suspension, physical volume, cone diameter, and the f3 frequency are important in determining the resonant frequency.

The resonant frequency can be calculated using the formula:

f_res = 1 / (2π * √(L_eq * C_eq))

where L_eq is the equivalent inductance and C_eq is the equivalent capacitance of the system.

In this case, since the tweeter is mounted in a sealed box, the box's volume, cone diameter, and physical properties of the tweeter play a crucial role in determining the equivalent inductance and capacitance.

To calculate the resonant frequency, we need to determine the equivalent inductance and capacitance based on the given parameters and apply them to the formula mentioned above.

In summary, the resonant frequency of the tweeter in a square, sealed box can be calculated by considering the mechanical and electrical characteristics of the tweeter, including the coil resistance, total mass, stiffness of suspension, physical volume, cone diameter, and the f3 frequency. The equivalent inductance and capacitance are determined based on these parameters to calculate the resonant frequency using the provided formula.

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Answer:

Explanation:

Using the proper technique is incredibly important because it prevents the materials being joined from breaking and/or causing an accident. If the wrong joining technique is used the materials may not hold in place and come apart easily instead. Also, some joining techniques are not meant for some materials and may instead cause the material to become weak and brittle causing it to break apart almost immediately.

Joining describes a technique which is used to merge two or more independent materials together. The use of wrong joining technique or procedure could result in accident.

In engineering construction, the need to join materials together is always needed for so many reasons. Hence, depending on the materials to be merged, welding, soldering and some other techniques may be employed.

Therefore, wrong or inadequate joining may cause these parts to split or breakup, hence causing severe casualty.

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Answer:

0.1375 rad/s

Explanation:

Speed of car = 55 ft/s

We are to find angular velocity, which is θ.

There are mistakes in this question. It should be θ not 8 and r = 400 ft

Radius r = 400ft

Speed = velocity = 55 ft/s

We Express transverse of velocity

Vθ = rθ

Vθ = 400θ

Then magnitude

V = √(Vr)²+(Vθ)²

55 = √0² + 400θ²

55 = √160000θ

55 = 400θ

We find the value of θ

θ = 55/400

= 0.1375rad/s

The angular velocityθ = 0.1375 rad/s

sens organ is the eye example

After the replacement of loading with equivalent force-couple system, Therefore, loadings (c) and (h) are equivalent.

in System Equivalents: two force-couple systems that have the same net moment and net force on a body.

RA= -(300+200)

= -500N

MA=400N.M +200*3

MA=1000N.M

RA=200+300

=500N

MA= -400+300*3

=500N.M

RA= -(200+300)

= -500N

RA=500N

MA=400-500*3

= -11OON.M

(B) No '2' beams are equivalent

Your question is incomplete, Find the attachment 'missing part'

The explanation is in attachment on Explanation 1 &2 attachment

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Answer:

ok the answer is 0

Explanation:

Answer:

no, the pure fission bomb is a hydrogen bomb

Answer: a pure fission bomb is not a nuclear

bomb

Explanation: fusion is the combining of hydrogen particles, whereas fission is the splitting of atoms.

To find the recurrence relation for the number of permutations of a set with n elements, we can start by considering the base case of n=1. In this case, there is only one permutation of the set, which is the set itself.

Now, let's consider the case where n>1. We can choose one element from the set and fix it in place. There are n choices for which element to fix, and once we have done this, we are left with a set of n-1 elements that we need to permute. By the multiplication principle, the number of permutations of the set of n elements is equal to the number of ways to choose an element to fix, multiplied by the number of permutations of the remaining n-1 elements.

Therefore, we can write the recurrence relation as:

P(n) = n * P(n-1)

where P(n) represents the number of permutations of a set with n elements.

To use this recurrence relation to find the number of permutations of a set with n elements using iteration, we can start by setting the base case of P(1) = 1. Then, we can use the recurrence relation to compute P(2), P(3), and so on, until we reach P(n).

For example, to find P(2), we can use the recurrence relation:

P(2) = 2 * P(1) = 2 * 1 = 2

To find P(3), we can use the recurrence relation again:

P(3) = 3 * P(2) = 3 * 2 = 6

And so on, until we find P(n) using the recurrence relation.

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Answer: A leak in the system

Explanation:

One of the highest-risk maneuvers that drivers often engage in is distracted driving.

Distracted driving refers to any activity that diverts a driver's attention away from the primary task of operating a vehicle. This can include activities such as using a cellphone, texting, talking to passengers, eating, grooming, or using in-vehicle technologies.

Distracted driving is particularly dangerous because it takes the driver's focus away from the road, increasing the risk of accidents and injuries. It impairs the driver's ability to recognize and respond to potential hazards, decreases reaction time, and can result in loss of control of the vehicle.

Engaging in distracting activities while driving is a form of risky behavior that significantly increases the likelihood of accidents, injuries, and fatalities on the road. It is crucial for drivers to prioritize their attention and focus on the task of driving to ensure the safety of themselves and others on the road.

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Answer:

Explanation:

I'm not 100% this is what you want, but here it is:

2

3

13

8

11

A

13

Answer:

a. True

Explanation:

The study of fluids in a state of rest or in motion and the forces involved in it is called fluid mechanics. Fluid mechanics has a wide range of applications in the field of mechanical engineering as well as civil engineering.

When we study the flow of fluid between any two flat plates that is indefinitely flat and is parallel, the flow of the fluid is known as plane Poiseulle flow. The profile of a plane Poiseulle flow is parabolic.

The velocity profile of a plane Poiseulle flow is :

\($\frac{u(y)}{U_{max}}=1-\left(\frac{2y}{h}\right)^2$\)

Thus the answer is TRUE.

Answer:

a. the rate of heat loss from the electronic device to the surrounding air

A total of 10 rectangular aluminum fins (k = 203 W/m·K) are placed on the outside flat surface of an electronic device. Each fin is 100 mm wide, 20 mm high and

4 mm thick. The fins are located parallel to each other at a center-to-center distance of 8 mm. The temperature at the outside surface of the electronic device is 72°C. The air is at 20°C, and the heat transfer coefficient is 80 W/m2·K. Determine (a) the rate of heat loss from the electronic device to the surrounding air and (b) the fin effectiveness.

Explanation:

Sorry if wrong, Hope I helped

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The heating element's total resistance at 60°C is most nearly 1296Ω.

To calculate the total resistance of the heating element at 60°C, we need to find the new resistance values of each wire using the given temperature coefficients.

For the first wire:
ΔT = 60°C - 20°C = 40°C
Temperature coefficient = 0.003 °C^-1
Initial resistance, R1_initial = 300Ω

New resistance, R1_new = R1_initial * (1 + (temperature coefficient * ΔT))
R1_new = 300Ω * (1 + (0.003 * 40))
R1_new = 300Ω * 1.12 = 336Ω

For the second wire:
Temperature coefficient = 0.005 °C^-1
Initial resistance, R2_initial = 800Ω

New resistance, R2_new = R2_initial * (1 + (temperature coefficient * ΔT))
R2_new = 800Ω * (1 + (0.005 * 40))
R2_new = 800Ω * 1.2 = 960Ω

Since the wires are connected in series, the total resistance at 60°C is the sum of the individual resistances:

Total resistance = R1_new + R2_new = 336Ω + 960Ω = 1296Ω

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Answer:

medium sized ears

Explanation:

Based on the given criteria, the following three structural steel wt shapes are acceptable as pin-ended columns to carry an axial compression load of 30 kips for an 18 ft long span:

1. W8x31: This shape has a weight of 31 pounds per foot and a moment of inertia of 82.7 in^4.
2. W9x31: This shape has a weight of 31 pounds per foot and a moment of inertia of 96.2 in^4.
3. W10.5x30: This shape has a weight of 30 pounds per foot and a moment of inertia of 109 in^4.
Out of these three options, the most economical shape is W10.5x30 as it has the lowest weight and the highest moment of inertia, making it the most cost-effective option.

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To determine the failure rate of a system based on the failure rates of its components, you can use the concept of reliability block diagrams and apply appropriate mathematical formulas.


The failure rate of a system is typically calculated using the concept of parallel or series configurations, depending on how the components are connected.Parallel Configuration: If the components of the system are connected in parallel, meaning that the system will function as long as at least one of the components is operational, the failure rate of the system can be calculated as the sum of the individual failure rates subtracted from their product. This can be represented by the formula:System Failure Rate = 1 - ((1 - Failure Rate Component 1) * (1 - Failure Rate Component 2) * ... * (1 - Failure Rate Component n))Series Configuration: If the components of the system are connected in series, meaning that the system will fail if any one of the components fails, the failure rate of the system can be calculated as the sum of the individual failure rates. This can be represented by the formula:System Failure Rate = Failure Rate Component 1 + Failure Rate Component 2 + ... + Failure Rate Component

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Answer:

Hey there!

Explanation:

This is your answer....

The standard of something as measured against other things of a similar kind; the degree of excellence of something.

OR

Quality engineering is the discipline of engineering concerned with the principles and practice of product and service quality assurance and control. In software development, it is the management, development, operation and maintenance of IT systems and enterprise architectures with a high quality standard.

Hope it helps!

Brainliest pls!

Have a good day!^^

The stress at which the single crystal yields is approximately 4.84 MPa.To compute the stress at which the single crystal yields, we need to determine the resolved shear stress on the slip plane and slip direction and compare it to the critical resolved shear stress (CRSS).

In this case, the slip occurs on a (111) plane and in a [101] direction. The slip system can be represented as {111}<101>. The resolved shear stress (τ) is given by the equation:

τ = σ * cos(φ)

where σ is the applied tensile stress and φ is the angle between the slip plane normal and the applied stress direction.

In an FCC crystal structure, the angle between the (111) plane and the [102] direction is 45 degrees. Therefore, cos(φ) = cos(45°) = 0.707.

Now we can calculate the stress at which the crystal yields:

τ = CRSS = 3.42 MPa

σ * 0.707 = 3.42 MPa

σ = 3.42 MPa / 0.707 ≈ 4.84 MPa

Therefore, the stress at which the single crystal yields is approximately 4.84 MPa.

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Answer:

hello your question is incomplete attached below is the complete question

answer : 0.75  ( A )

Explanation:

Given data:

12 - in diameter pile

embedded 50-ft

type of soil ; clay

Cohesion = 1000 psf

Determine the Ultimate pile Capacity

cohesion = 1000 psf

hence 1000 psf = 1 ksf  (where ; 1 psf = 0.0.001ksf )

form the given table the value of α corresponding to 1 ksf = 0.75

Answer:

there are generally two types of toilet bowl types- round and elongated.

Answer:

Girder:

+↑ΣFy=may; 2Tsin⁡60°−8000(9.81) = 8000 (3)   T= 59166.86N ↑ΣFy=may ;\quad \quad \quad 2T \sin { 60° }- 8000(9.81) = 8000(3)\\ T = 59 166.86 N+↑ΣFy​=may​;2Tsin60°−8000(9.81)=8000(3)T=59166.86N

Segment:

→+ΣFx=max;59166.86cos⁡60°−N=0N=29.6kN+↑ΣFy=may;59166.86sin⁡60°−4000(9.81)+V=4000(3)V=0↪+ΣMC=Σ(Mk)C;M+4000(9.81)(1)–59166.86sin⁡60°(2)=–4000(3)(1)M=51.2kN⋅m\overset { + }{ \rightarrow } \Sigma { F }_{ x }=ma_{ x };\quad \quad \quad 59166.86\cos { 60° } -N=0\\ N = 29.6 kN\\ +\uparrow \Sigma { F }_{ y }=ma_{ y };\quad \quad \quad 59 166.86 \sin { 60° }- 4000(9.81) + V = 4000(3)\\ V = 0\\ \hookrightarrow +\Sigma { M }_{ C }=\Sigma ({ M }_{ k })_{ C };\quad \quad M + 4000(9.81)(1) – 59 166.86 \sin { 60° }(2) = – 4000(3)(1)\\ M = 51.2 kN \cdot m→+ΣFx​=max​;59166.86cos60°−N=0N=29.6kN+↑ΣFy​=may​;59166.86sin60°−4000(9.81)+V=4000(3)V=0↪+ΣMC​=Σ(Mk​)C​;M+4000(9.81)(1)–59166.86sin60°(2)=–4000(3)(1)M=51.2kN⋅m

Explanation:

We know that Newtow Third's Law is F=ma, so we can solve for the tension on the side with that and the acceleration given in the y.

After that depending on which section of girder you chose there is a shear force and a normal force as well as a moment on the inside of it, meaning the middle of it, since is uniformly distributed, breaking down on the left the shear force is usually up, and the normal to the right, the moment counterclockwise, so from then is just a matter of doing the sumation of forces on the y and x and the summation of the moments, just remember to account for now being half of the total mass, we still have acceleration on the y, so the summation of moments will equal summation of kinetic moments, where we take into account every force that is trying to make it move, in this case, half the mass of the grinder and the acceleration going up, hope it helps you.

This is the program.

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To prepare the hot gas leaving the compressor for condensation, it needs to undergo a process called desuperheating, which involves reducing its temperature.

The hot gas discharged from the compressor is at a significantly higher temperature compared to the condenser line because of the compression process. When the refrigerant is compressed, its pressure and temperature increase. However, the pressure-temperature relationship does not hold true for the discharge line due to the presence of superheated gas. Superheated gas is a state where the refrigerant temperature is higher than its saturation temperature at a given pressure. To facilitate condensation, the hot gas leaving the compressor needs to be desuperheated. Desuperheating involves removing excess heat from the gas to bring its temperature closer to the saturation temperature for a particular pressure.

This is typically achieved by passing the gas through a desuperheater or heat exchanger, where it comes in contact with a cooling medium, such as air or water. The cooling medium absorbs heat from the gas, reducing its temperature. Desuperheating is an important step before condensation because it ensures that the refrigerant is at the appropriate temperature for efficient heat transfer in the condenser. If the hot gas were directly condensed without desuperheating, it could result in inadequate heat rejection, reduced efficiency, and potential damage to the condenser due to excessive heat load. Therefore, desuperheating helps optimize the overall performance and reliability of the refrigeration or air conditioning system.

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By using the keyword "persistent" in MATLAB, the variable "numtrans" can be declared to retain its value in memory between function calls. Initializing it to 0 ensures proper functionality.

In order to declare the variable numtrans as a variable that remains in memory after UpdateBalance() returns, you can use the keyword "persistent" in MATLAB.

Here's an example statement that accomplishes this:

```persistent numtrans;```You can add this statement at the beginning of your code, before the function definition. Once this statement is executed, MATLAB will keep track of the value of the variable numtrans between function calls, even if the function UpdateBalance() has completed.Here's what your code could look like with this statement added:```persistent numtrans;function [curBalance] = UpdateBalance(UpdateAmt)% UpdateBalance Updates bank account balance stored as% persistent variable% Inputs : UpdateAmt - amount to be added to balance;% debits use negative values% Outputs : curBalance - current account balance% initialize the account balanceif isempty(acctBalance)acctBalance = 0;end% update the account balancenumtrans = numtrans + 1;acctBalance = acctBalance + UpdateAmt;curBalance = acctBalance;```

Notice that I've also added a line to initialize the variable numtrans to 0. This is because persistent variables in MATLAB are not automatically initialized to a default value like other variables.

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Answer: Create lessons learned at the end of the project.

Explanation:

Lessons learned are the experiences that are gotten from a project which should be taken into account for the future projects. Lesson learned are created at the end of the project.

The main objective of the lessons learned is that they show both the positive experience and the negative experience of a project and this will help the future projects that will be undertaken.

Time-based and multi-rate systems are the foundation of the Simulink approach.The generation of HDL code will benefit from this SO.

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Answer:

hello your question is incomplete attached below is the complete question

answer :

To ( inside temperature ) = 598 K

TL ( outside temperature ) = 594 k

Explanation:

a) Determine the surface temperature To and TL based on the known conditions provided in the drawing

To ( inside temperature ) = 598 K

TL ( outside temperature ) = 594 k

attached below is the detailed solution