You are designing a 200 mm long x 100 mm wide ×50 mm deep rectangular housing, with a wall width of 1.5 mm, and 1 degree draft. You wish to eject by pushing on the inner bottom surface, near the walls (through the core) with pins no bigger than 3 mm diameter. The coefficient of friction is predicted to be 0.5. The material specified is Inspire 702 polypropylene, which has a modulus of 1740MPa, a yield strength of 21MPa, a solidification temp of 176C, a ejection temperature, DTUL, of 80C. Its coefficient of thermal expansion is 9.5e−5 m/m−C. The overall length of the pins are 300 mm and the pin material material has modulus of 200GPa. What is the minimum amount of pins required? Note, the fatigue limit stress of the pin material is 450MPa.(50pts)

Answers

Answer 1

In this question, we are designing a rectangular housing of Inspire 702 polypropylene with given dimensions and we need to determine the minimum number of pins required for ejection while keeping the fatigue limit stress of the pin material in mind.

Design parameters:Length of the housing (L) =

200 mmWidth of the housing (W) = 100 mmDepth of the housing (D) = 50 mmWall thickness (t) =

1.5 mmDraft angle = 1 degreeCoefficient of friction (μ) = 0.5Material properties:Modulus of elasticity (E) =

1740 MPaYield strength (σ) = 21 MPaSolidification temperature (T_s) = 176 °CEjection

temperature (DTUL) = 80 °CCoefficient of thermal expansion (α) = 9.5e−5 m/m−CKnown parameters:

Pin diameter (d) = 3 mmOverall pin length (L_pin) = 300 mmModulus of elasticity of pin material (E_pin)

= 200 GPaFatigue limit stress of pin material (σ_fl) = 450 MPaWe need to find the minimum number of pins required.

Let's proceed with the solution:From the given parameters, we can find the volume of the housing,

V as:V = L × W × D= 200 × 100 × 50= 10⁶ mm³Now, we need to find the force required to eject the housing.

The force required to eject the housing,

F is given by:F = μ × (P_o × A)where,P_o is the opening pressure of the mold,

which can be assumed to be 6.9 MPa (1000 psi).A is the total projected area of the part on the ejection side of the mold.A = L × W= 200 × 100= 2 × 10⁴ mm²

Therefore,F = μ × P_o × A= 0.5 × 6.9 × 2 × 10⁴= 6.045 × 10³ NWe can also find the moment of force acting on the pins,

M as:M = F × L_pin= 6.045 × 10³ × 300= 1.8135 × 10⁶ N-mmNow, we can find the stress acting on the pins due to the moment of force, σ_pin as:σ_pin = M × (d/2) / (Iπ/32)where,I

is the moment of inertia of the pin cross-section.I = πd⁴ / 64Using this value and the modulus of elasticity of the pin material, we can find the elongation of the pin,

δ as:δ = M × L_pin / (E_pin × I)Now, the elongation of the pin should be such that

the pin doesn't yield.F_max = σ_fl × (πd² / 4)We can then equate this maximum force to

the force required to eject the housing, F and find the number of pins required, n as:n = F / F

_maxTherefore, we have:n = F / F_max= 6.045 × 10³ / (450 × π × 3² / 4)= 1.57 ≈ 2Thus,

we need a minimum of 2 pins for ejection of the housing. Hence, the answer is 2.

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Related Questions

What is graphic software

Answers

Answer:

In computer graphics, graphics software refers to a program or collection of programs that enable a person to manipulate images or models visually on a computer. Computer graphics can be classified into distinct categories: raster graphics and vector graphics, with further 2D and 3D variants.

True/FalseIn the 1800s, the knife switch was one of the techniques used for starting and stopping motors.

Answers

The information is true, therefore, in the 19th century, the knife switch was one of the techniques used to turn engines on and off.

Why was this tool so popular?Because it was easy to handle.Because it had the right shape to start and stop engines efficiently and safely.

In the 1800s, knife switches were used to manipulate engines. This was done because these knife switches had the right shape to perform this type of work efficiently and quickly, optimizing the operation of engines and machines in general.

In addition, knife switches promoted the safety of their handlers, being the most suitable tool for this type of service.

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the heating element of a hair drier dissipates 1550 w when connected to a 120 v/60 hz power line. what is its resistance?

Answers

To find the resistance of the heating element of the hair dryer, we can use the formula:

Power (P) = Voltage (V)^2 / Resistance (R)

We know the power (P) is 1550 watts and the voltage (V) is 120 volts. So, we can rearrange the formula to solve for resistance (R):

R = V^2 / P

Plugging in the values we have:

R = (120 volts)^2 / 1550 watts

R = 9.23 ohms

Therefore, the resistance of the heating element of the hair dryer is approximately 9.23 ohms. This resistance allows the heating element to dissipate 1550 watts of power when connected to a 120 volt/60 Hz power line.

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why is it difficult to dissolve cellulose in solvent that dissolve petroleum based polymers

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The crystallinity of cellulose as well as its polar qualities makes it less difficult to dissolve. It has a three-dimensional hydrogen bond (H-bond) arrangement with the hydroxyl group connected to each polymer chain. On the other hand, Hydrocarbon polymers are nonpolar, and nonpolar solvents are used to dissolve them.

What exactly is cellulose?

Cellulose is an organic molecule with the formula n that is a polysaccharide made up of a linear chain of hundreds to thousands of β  linked D-glucose units. Cellulose is a structural component of the major cell wall of green plants, many algae, and oomycetes.

Cellulose is the principal component present in plant cell walls and aids in the plant's stiffness and strength. Although cellulose cannot be digested by humans, it is an essential source of fiber in the diet. Cellulose is utilized in the production of clothing and paper.

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Which of the following is NOT a risky food:

a
Raw Meat
b
Uncleaned fruits & vegetables
c
Bread
d
All of the above
e
Soft Cheeses

Answers

i think it's c. bread.

Answer:I think raw meat because if you eat raw meat you get sick and get stomach aches so always when you cook meat it kill the bacteria

Explanation:what I'm trying to says is stay safe

A design that either partially or wholly integrates the bodywork
into a single unit with the chassis is called

Answers

Answer:

body-on-frame design.

:))

how can banks rain Workforce Members to Recognize Social
Engineering Attacks? (300 words)

Answers

Banks must be proactive in training their staff members on social engineering attacks to protect their customers' sensitive information and minimize financial losses. Regular training, simulated attacks, and clear guidelines can help employees identify and respond to attacks.

Social engineering attacks are a significant security concern for banks. As more customers turn to digital banking, cyber attackers have been targeting banks with a wide range of tactics to gain access to sensitive information or money.Banks have to ensure that their staff members are trained in identifying and mitigating social engineering attacks. Here are some ways that banks can train their workforce members to recognize social engineering attacks:Regular Training: Banks should conduct regular training sessions to educate their employees about social engineering threats, phishing attacks, and other security risks. This training should cover everything from the basics of information security to more advanced topics like cybercrime trends. Banks should also conduct periodic tests to gauge their employees' knowledge and understanding of social engineering attacks. This approach helps ensure that employees are familiar with the latest social engineering tactics and can respond appropriately when they encounter them.Simulated Attacks: Banks should conduct simulated social engineering attacks to help their employees understand what a real attack looks like. These simulations should include phishing emails, phone calls, and other methods that attackers use to gain access to sensitive information. These simulations provide a low-risk environment for employees to learn and practice their responses to social engineering attacks. Banks can also use these simulations to identify areas where their employees need more training or support.Tips and Guidelines: Banks should provide their employees with clear and concise guidelines on how to identify and report social engineering attacks. These guidelines should be easy to understand and should include examples of common social engineering attacks. Banks should also encourage their employees to ask questions and report suspicious activity as soon as they notice it.ConclusionIn conclusion, banks must be proactive in training their staff members on social engineering attacks. Regular training, simulated attacks, and clear guidelines can help employees identify and respond to social engineering attacks. By taking these steps, banks can protect their customers' sensitive information and minimize the risk of financial losses.

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determine the number of flipflops required to build a binary counter that count from 0 to 2043

Answers

Answer:

10 flip -flops are required to build a binary counter circuit to count to from 0 to 1023 .

Explanation:

how can you obtain the pressure altitude on flights below 18,000 feet?

Answers

To obtain the pressure altitude on flights below 18,000 feet, pilots can set the altimeter to the standard pressure setting of 29.92 inches of mercury (inHg) and read the indicated altitude.

Pressure altitude is the altitude above the standard atmospheric pressure level. It is an important reference for pilots to determine the aircraft's height above the ground and to comply with altitude restrictions. When flying below 18,000 feet, pilots can obtain the pressure altitude by following these steps:

Set the altimeter: The altimeter should be set to the standard pressure setting of 29.92 inHg. This compensates for variations in atmospheric pressure and provides a common reference for all aircraft.

Read the indicated altitude: Once the altimeter is set to the standard pressure, pilots can read the indicated altitude displayed on the altimeter. This reading represents the pressure altitude, which is the height above the standard atmospheric pressure level.

By setting the altimeter to the standard pressure and reading the indicated altitude, pilots can determine the pressure altitude during flights below 18,000 feet. It is important for pilots to continually adjust their altimeters as they encounter changes in atmospheric pressure during the flight to maintain accurate altitude references and ensure safe operations.

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What quantity measures the effect of change?

control variable
independent variable
relative variable
dependent variable

Answers

Answer:

The Dependent Variable is the Effect, Its value depends on changes from the Independent Variable

Hope this Helps

1.Shortcut operators are faster than the conventional arithmetic operators.
2.You can declare more than one variable in a single line.
3.You must use else after every if statement.
what is answer?

Answers

It's important to note that this speed difference is only noticeable for large programs. For small programs, the difference is negligible.

1. Shortcut operators are faster than the conventional arithmetic operators: This statement is true. Shortcut operators are faster because they combine arithmetic operations with variable assignments in a single statement. For example, instead of writing "a = a + 2", you can write "a += 2". This saves time and reduces the amount of code you need to write. However, it's important to note that this speed difference is only noticeable for large programs or when dealing with complex calculations. For small programs, the difference is negligible.
2. You can declare more than one variable in a single line: This statement is also true. In many programming languages, you can declare and initialize multiple variables on the same line. For example, instead of writing "int a; int b; int c;", you can write "int a, b, c;". This saves space and makes your code more concise. However, it's important to note that you should only do this if the variables are related and have the same data type.
3. You must use else after every if statement: This statement is false. It's not necessary to use else after every if statement. You can use if statements on their own if you don't need to execute any code if the condition is not true. However, if you need to execute code in both cases (true and false), then you should use else. It's also important to note that you can use else if to test for additional conditions if the first if statement is not true.

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FILL IN THE BLANK. by early 1818 karl friedrich schinkel had produced a new design for the in berlin to sit atop the old foundations between existing french and german churches.

Answers

By early 1818 Karl Friedrich Schinkel had produced a new design for the Altes Museum in berlin to sit atop the old foundations between existing french and german churches.

What do you mean by design template?

Customizable pre-made designs and documents are known as design templates. Templates are frequently created to adhere to strict guidelines or specifications in order to maintain consistency across users and media. You have the option of creating bespoke templates for later use or using pre-design templates from libraries and websites.

Design templates include color palettes, master slides and titles with personalized formatting, and styled fonts created for a specific "look." The slide master and color scheme of the new template is substituted for those of the previous presentation when a design template is applied to a presentation.

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Using the charts below, if you knew that a 1 mm diameter copper-nickel alloy wire can withstand a maximum load (before plastic deformation) of 78.54 N, and possesses an electrical resistance of 0.5 Ohms, then what is its length

Answers

Answer:

L = 10.32 m

Explanation:

The resistance of a copper-nickel alloy wire is given by the following formula:

\(R = \frac{\rho L}{A}\)

where,

R = Resistance = 0.5 Ω

ρ = resistivity of copper-nickel alloy = 3.8 x 10⁻⁸ Ωm

L = Length of wire = ?

A = cross-sectional area of wire = \(\frac{\pi d^2}{4} = \frac{\pi(1\ x\ 10^{-3}\ m)^2}{4}\) = 7.85 x 10⁻⁷ m²

Therefore,

\(0.5\ \Omega = \frac{(3.8\ x\ 10^{-8}\ \Omega.m)L}{7.85\ x\ 10^{-7}\ m^2}\)

L = 10.32 m

g 940 The beam AB has a negligible mass and thickness and is subjected to a triangular distributed loading. It is supported at one end by a pin and at the other end by a post having a mass of 50 kg and negligible thickness. Determine the two coefficients of static friction at B and at C so that when the magnitude of the applied force is increased to P

Answers

Answer:

μb = 0.096

μc  = 0.073

Explanation:

member AB:

-800( 4/3 ) + Nb (2) = 0

Nb (2) = 3200/3

Nb = 533.3N

Post BC:

summation of force along the y axis=0

Nc + Nb + 150(3/5 ) -50(9.81)=0

Nc + 533.3 + 150(3/5 ) -50(9.81)=0

Nc = 933.83 N

Also (-4/5)(150)(3) + Fb(0.7)= 0

Fb = (4/5)(150)(3)/0.7 = 51.429 N

Likewise alog the x axis,

4/5(150) - Fc -Fb = 0

4/5(150) - Fc -51.429 = 0

Fc = 4/5(150)  -51.429 =68.571 N

μb = Fb/Nb = 51.429/533.3  = 0.096

μc = Fc/Nc = 68.571 / 933.83 = 0.073

g 940 The beam AB has a negligible mass and thickness and is subjected to a triangular distributed loading.
g 940 The beam AB has a negligible mass and thickness and is subjected to a triangular distributed loading.
g 940 The beam AB has a negligible mass and thickness and is subjected to a triangular distributed loading.

The pendulum consists of two slender rods AB and OC which have a mass of 3 kg / m. The thin plate has a mass of 12 kg / m2. Determine the location y- of the center of mass G of the pendulum, then calculate the moment of inertia of the pendulum about an axis perpendicular to the page and passing through G.

Answers

The moment of inertia of the pendulum about an axis perpendicular to the page and passing through G will be 1.5 kgm².

A pendulum is a weight suspended from a pivot so that it can swing freely. The motion of a pendulum is a type of simple harmonic motion, which means that the pendulum moves back and forth in a regular, periodic fashion. The moment of inertia of an object is a measure of the object's resistance to change in its rotational motion.

To determine the location of the center of mass of the pendulum, we need to find the mass of each part and the distance from the center of mass of each part to point G.

The mass of rod AB is 3 kg/m * 1 m = 3 kg

The mass of rod OC is also 3 kg/m * 1 m = 3 kg

The mass of the plate is 12 kg/m2 * 1  = 12 kg

The distance from the center of mass of rod AB to point G is 0.5 m (since the rod is 1 m long and point G is at the midpoint of the rod)

The distance from the center of mass of rod OC to point G is also 0.5 m

The distance from the center of mass of the plate to point G is 0.5 m (since the plate is 1 m wide and point G is at the midpoint of the plate)

Now we can use the formula for the location of the center of mass:

yG = (3 kg * 0.5 m + 3 kg * 0.5 m + 12 kg * 0.5 m) / (3 kg + 3 kg + 12 kg) = 0.5 m

To calculate the moment of inertia of the pendulum about an axis perpendicular to the page and passing through G, we can use the formula for the moment of inertia of a rod about its center of mass:

\(I = (1/12) * m * L^2\)

For rod AB:

\(I = (1/12) * 3 kg * (1 m)^2 = 0.25 kg*m^2\\\)

For rod OC:

\(I = (1/12) * 3 kg * (1 m)^2 = 0.25 kg*m^2\)

For the plate:

I = (1/12) * 12 kg * (1 m)^2 = 1 kg*m²

The total moment of inertia of the pendulum is the sum of the moments of inertia of the individual parts:

I = 0.25 kgm^2 + 0.25 kgm^2 + 1 kgm^2 = 1.5 kgm²

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2..Three formations, each 25 m thick, overlie one another. If a constant-velocity vertical flow field is set up across the set of formations with h = 120 m at the top and h = 100 m at the bottom, calculate h at the two internal boundaries. The hydraulic conductivity of the top formation is 0.0001 m/s, the middle formation 0.0005 m/s, and the bottom formation 0.0010 m/s.

Answers

The values of h at the two internal boundaries are :

h₁ = 104.625 m h₂ = 101.55 m

Given data :

Z₁ = Z₂ = Z₃ = 25 m

h top = 120 m

h bottom = 100 m

K₁ = 0.0001 m/s

K₂ = 0.0005 m/s

K₃ = 0.0010 m/s

First step : Calculate the value of Keq

we will apply the formula below since flow is perpendicular to the bedding plane

Keq = \(\frac{Z1 + Z2 + Z3 }{\frac{Z1}{K1}+\frac{Z2}{K2} + \frac{Z3}{K3} }\)  ----- ( 1 )

Insert values given above into equation 1

Therefore ; Keq = 2.307 * 10⁻⁴ m/s

Next step : determine the hydraulic gradient

Hydraulic gradient ( Ieq ) = head loss / length

                                          = ( 120 - 100 ) / 3 * 25

                                   Ieq  = 0.266

Given that the flow is perpendicular to bedding plane

q1 = q2 = q3

V₁ = V₂ = V₃ = V

K₁i₁ = K₂i₂ = K₃i₃ = Keq * ieq

Hence :

V = Keq* Ieq

   = 2.307 * 10⁻⁴ * 0.266

   = 6.15 * 10⁻⁵ m/s .

Also;

K₁i₁ =  Keq * ieq = K₂i₂ = K₃i₃

therefore :

  i₁ = 0.615

  i₂ =  0.123

  i₃ = 0.0615

Final step : determine the value of h at the two internal boundaries

Pressure at point 1 ( i.e. pressure between first two formations )

h₁ = h top - i₁L₁

   = 120 - 0.615 * 25

   = 104.625 m

Pressure at point 2 ( i.e. pressure between the 2nd and 3rd formation )

h₂ = h₁ - i₂L₂

    = 104.625 - 0.123 * 25

    = 101.55 m

Therefore we can conclude that The values of h at the two internal boundaries are :  h₁ = 104.625 m , h₂ = 101.55 m

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Water of dynamic viscosity 1.12E-3 N*s/m2 flows in a pipe of 30 mm diameter. Calculate the largest flowrate for which laminar flow can be expected (in lpm). What is the corresponding flowrate if it is an air flow (1.8E-5 N*s/m2 )

Answers

Answer:

For water

Flow rate= 0.79128*10^-3 Ns

For Air

Flow rate =1.2717*10^-3 Ns

Explanation:

For the flow rate of water in pipe.

Area of the pipe= πd²/4

Diameter = 30/1000

Diameter= 0.03 m

Area= 3.14*(0.03)²/4

Area= 7.065*10^-4

Flow rate = 7.065*10^-4*1.12E-3

Flow rate= 0.79128*10^-3 Ns

For the flow rate of air in pipe.

Flow rate = 7.065*10^-4*1.8E-5

Flow rate =1.2717*10^-3 Ns

what should the technician do when replacing stabilizer bar links?

Answers

When replacing stabilizer bar links, the technician should follow the recommended procedure to ensure proper installation and functionality. Here are the steps typically involved:

1. Lift the vehicle: The technician should use a hydraulic lift or jack stands to raise the vehicle and provide access to the stabilizer bar links.

2. Remove the old links: The technician should detach the stabilizer bar links from the sway bar and control arms using appropriate tools, such as wrenches or sockets. The fasteners may be bolts, nuts, or pins depending on the specific vehicle model.

3. Install the new links: The technician should position the new stabilizer bar links and secure them tightly to the sway bar and control arms, ensuring proper alignment and fitment. They should follow the manufacturer's instructions and torque specifications for the specific vehicle.

4. Test for stability: After installation, the technician should perform a thorough inspection and verify that the stabilizer bar links are securely fastened and provide the intended stability to the vehicle's suspension system.

By following these steps, the technician can effectively replace stabilizer bar links and ensure the proper functioning of the vehicle's suspension system.

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TRUE/FALSE. when providing transcutaneous pacing, the appearance of wide qrs complexes and tall, broad t waves after each pacing spike confirms that mechanical capture has been achieved.

Answers

The statement is false. When providing transcutaneous pacing, the appearance of wide QRS complexes and tall, broad t waves after each pacing spike confirms that mechanical capture has been achieved.

A combination of the Q surge, R surge and S surge, the “ QRS complex ” represents ventricular depolarization. This term can be confusing, as not all ECG leads contain all three of these swells; yet a “ QRS complex ” is said to be present anyhow.

For illustration, the normal QRS complex in lead V1 doesn't contain a Q surge — only a R surge and S surge but the combination of the R surge and S surge is still appertained to as the QRS complex for this lead.

The normal duration( interval) of the QRS complex is between 0.08 and 0.10 seconds — that is, 80 and 100 milliseconds. When the duration is between 0.10 and0.12 seconds, it's intermediate or slightly dragged . A QRS duration of lesser than 0.12 seconds is considered abnormal. The QRS duration will outstretch when electrical exertion takes a long time to travel throughout the ventricular myocardium. The normal conduction system in the ventricles is called the His- Purkinje system and consists of cells that can conduct electricity relatively fleetly.

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similar to problem 2 above, but for a 90 degree bend in a circular pipe with uniform diameter. note that you need to write equations for both x and y directions to get equation for both rx and ry ! you may neglect the shear force as well as weight for this problem. the pipe is connected at both ends to other pipes

Answers

Solving these equations simultaneously will give you the pressure forces P1 and P2 and their respective x and y components. Remember that we have neglected the shear force and weight in this problem.

To analyze the forces in a 90-degree bend in a circular pipe with a uniform diameter, we need to consider the forces acting on the fluid in both the x and y directions.
Let's denote the pressure forces acting on the fluid as \(P_{1}\)and  \(P_{2}\), the velocity of the fluid entering the pipe as V1, and the velocity of the fluid leaving the pipe as\(V_{2}\). The radius of the circular bend is R.
First, we'll write the equation for the x-direction (horizontal) forces. The net force in the x-direction can be written as:
\(F_{x}\) = P1 * A - P2 * A * cos(90)
Since cos(90) = 0:
\(F_{x}\) = P1 * A
Now, let's write the equation for the y-direction (vertical) forces. The net force in the y-direction can be written as:
\(F_{y}\) = P2 * A * sin(90)
Since sin(90) = 1:
\(F_{y}\) = P2 * A
Now, we can use the conservation of momentum to relate the forces to the change in momentum of the fluid. For the x-direction, we have:
\(F_{x}\) = m * (\(V_{2}\)- \(V_{1}\))
For the y-direction, we have:
\(F_{y}\) = m * (0 - (-\(V_{1}\)))

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1. the internal combustion engine in an car emits 0.35Kg of CO
per liter of gas burned; How much CO does a 2018 equinox FWD emit
in a year?

Answers

The 2018 Equinox FWD has a gas tank capacity of 14.9 gallons, which is equivalent to 56.43 liters.

\(0.35 Kg CO/liter of gas x 56.43 liters of gas = 19.74 Kg CO\) per fill-up We can use this value to calculate the annual CO emissions of the car, assuming that it is driven an average of 12,000 miles per year and gets an average fuel efficiency of 28 miles per gallon.

which is equivalent to 1622.29 liters of gas.  the annual CO emissions of the 2018 Equinox FWD would be:\(19.74 Kg CO per fill-up x (1622.29 liters of gas / 56.43 liters of gas per fill-up) = 567.5 Kg CO\) per year So the 2018 Equinox FWD emits approximately 567.5 Kg of CO per year.

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hi i am a teacher and i want to say to stop using brainly we strictly banned brainly but our students keep using it

Answers

Answer:

Then miss try to get your school to banned it for your district like forbid then from the web site then it will not allow them to use it. then sometimes use it to help other people who needs help like teachers do or we need help with something we dont know so we ask for help for a better understanding of it.

Explanation:

^-^ hope you have a good day miss or sir

Answer:

So I would love to say that you and your team at your school had banned brainly and why are you using brainly here, then you shouldn't use brainly, and brainly all students around the world gets help even you is one.

You will be hiking to a lake with some of your friends by following the trails indicated on a map at the trailhead. The map says that you will travel 1.7 mi directly north, then 2.7 mi in a direction 36° east of north, then finally 1.7 mi in a direction 15° north of east. At the end of this hike, how far will you be from where you started, and what direction will you be from your starting point?

Answers

Answer: 64.58



Explanation:

Hotel Fire Safety Directors shall do all EXCEPT:

A. train and supervise Fire Brigade
B. conduct fire drills
C. order full building evacuation of guests
D. distribute applicable parts of the Fire Safety Plan to all employees

Answers

Hotel Fire Safety Directors are not authorized to order a full building evacuation of guests. Therefore, option (C) is correct.

Who are Hotel Fire Safety Directors?

Hotel Fire Safety Directors are individuals who are responsible for ensuring the safety of guests and employees in the event of a fire emergency in a hotel or other hospitality establishment.

They are typically appointed by the hotel management and must have knowledge of fire safety regulations and protocols, as well as the ability to lead and manage a team during an emergency.

Hotel Fire Safety Directors are responsible for implementing and maintaining the Fire Safety Plan, which includes conducting fire drills, training and supervising the Fire Brigade, and distributing applicable parts of the Fire Safety Plan to all employees. They must also work closely with the local fire department to ensure compliance with local fire safety regulations and protocols.

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2. Create the Kmaps and then simplify for the following functions (leave in sum-of-products form):
F(w,x,y,z) = w'x'y'z + w'x'yz' + w'xy'z + w'xyz' + w'xyz + wxy'z + wxyz + wx'y'z
F(w,x,y,z) = w'x'y'z' + w'z + w'x'yz' + w'xy'z' + wx'y
F(w,x,y,z) = w'x'y' + w'xz + wxz + wx'y'z'

Answers

The simplified sum-of-products forms for the given functions are:

F(w, x, y, z) = x'z + y'z + wx + wy + xyz

F(w, x, y, z) = x'z' + w'z + y'z + w'x'y + wx'y'

F(w, x, y, z) = w'x'y'z + w'x'yz' + w'xy'z + w'xyz' + w'xyz + wxy'z + wxyz + wx'y'z To simplify this function using K-maps, we create K-maps for each variable, w, x, y, z. The resulting simplified expression in sum-of-products form is x'z + y'z + wx + wy + xyz.

F(w, x, y, z) = w'x'y'z' + w'z + w'x'yz' + w'xy'z' + wx'y'

Creating K-maps for each variable, we simplify the function and obtain the simplified expression: x'z' + w'z + y'z + w'x'y + wx'y'.

F(w, x, y, z) = w'x'y' + w'xz + wxz + wx'y'z'

Using K-maps, we simplify the function to obtain the expression: x'z + y'w + wx + wy + xyz.

Karnaugh maps, or K-maps, provide a graphical method for simplifying boolean functions. The maps are constructed by representing the input variables in a grid and labeling the cells with the corresponding function values. Adjacent cells with a value of 1 are grouped together to form the simplified terms. The resulting terms are combined to obtain the simplified sum-of-products form.

In the given functions, the K-maps were created for each variable and the grouping of adjacent cells was performed to minimize the number of terms. The simplified expressions were obtained by combining the grouped cells, resulting in the final sum-of-products forms.

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Find the first-order kinematic coefficient of the gear train. What are the speed and direction of rotation of gear 8? ω,-1200 rev/min 4 15T 44T 33T 36T 487

Answers

The first-order kinematic coefficient of the gear train is 0.028. Gear 8 rotates in the clockwise direction with a speed of 42.86 rev/min.

What is the rotational direction and speed of gear 8 and what is the first-order kinematic coefficient of the gear train?

The first-order kinematic coefficient of the gear train is a measure of the efficiency of power transmission through a gear train. It is defined as the ratio of the output speed of the final gear to the input speed of the first gear. In this case, the first-order kinematic coefficient is 0.028, which means that the output speed of gear 8 is only 2.8% of the input speed of gear 4.

To determine the rotational direction and speed of gear 8, we first need to identify the gear ratios for each pair of gears in the train. Starting from gear 4, we have a gear ratio of 44/15, which means that gear 5 rotates at a slower speed than gear 4 but with higher torque. Similarly, the gear ratio between gears 5 and 6 is 33/36, which means that gear 6 rotates at a faster speed than gear 5 but with lower torque.

Finally, we can calculate the speed and direction of rotation of gear 8 by multiplying the gear ratios of all the gears between gear 4 and gear 8. We have:

44/15 * 33/36 * 487/36 = 42.86

This means that gear 8 rotates at a speed of 42.86 rev/min in the clockwise direction.

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Wastewater flows into a _________ once it is released into a floor drain.
A) HoseB) Covered containerC) Sump pitD) Bucket

Answers

Answer:

a

Explanation:

Wastewater flows into a sump pit once it is released into a floor drain.

For better understanding, lets understand what wastewater means

Wastewater are water that are not needed or have been use and therefore they are disposed. Waster water often contains waste product of man such as food waste,feaces etc.Sump is simply known as a basin into which groundwater is channeled to. A sump pit is commonly known as a temporary pit that is fixed to trap and filter water for carrying or pumping into a design discharge area.

From the above, we can therefore say that the answer that Wastewater flows into a sump pit once it is released into a floor drain is correct

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As a new engineer hired by a company, you are asked evaluate an existing separation process for ethyl alcohol (ethanol) and water. In the current distillation process an ethanol-water mixture at ambient pressure the products are a distillate of near-azeotropic composition (89.4 mol% ethanol) and a bottoms of nearly pure water. Based on differences in the physical properties of ethanol and water, explain how the following operations may be able to recover pure ethanol from the distillate:

a. Extractive distillation.
b. Azeotropic distillation.
c. Liquid-liq- uid extraction.
d. Crystallization.
e. Pervaporation.
f. Adsorption.

Answers

C. Liquid- liq uid extraction

A person walks 1 km, turns around, and runs back to where he started. Compare the energy used and the power during the two segments. A. The energy used and the power are the same for both. B. The energy used while walking is greater, the power while running is greater. C. The energy used while running is greater, the power while running is greater. D. The energy used is the same for both segments, the power while running is greater.

Answers

The answer to this question is D. The energy used is the same for both segments, the power while running is greater.

To explain this answer, it's important to understand the definitions of energy and power. Energy is the ability to do work, while power is the rate at which work is done.

During the walking segment of the journey, the person is expending energy to move their body 1 km. This requires a certain amount of work to be done, which translates to a certain amount of energy being used. However, because the person is walking at a slower pace, the rate at which work is being done (power) is lower.

During the running segment of the journey, the person is again expending energy to move their body the same 1 km distance, but they are doing so at a faster pace. This means that the rate at which work is being done (power) is higher.

So while the energy used is the same for both segments (1 km worth of energy), the power during the running segment is greater. This is because the person is doing the same amount of work in a shorter amount of time, which requires a higher rate of power.

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There is an AC series circuit that is constructed of a 150.0-ohm resistor along with 300.0 ohm inductive reactance and 200.0 ohm capacitive reactance. What is the difference in phase between the current and resistor voltage of the circuit

Answers

Answer:

  0°

Explanation:

The resistor voltage has the same phase as the circuit current. There is no phase difference.

Answer:

0° (zero degree)

Explanation:

the difference in pjase between the current and resistor voltage of the given 150.0 ohm, 300.0 ohm and 200.0 ohm
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