Mass transit options are generally more accessible to occupants of a building in an urban setting, and green roofs mitigate stormwater and reduce heat island effect of buildings. Which LEED rating system category addresses mass transit, stormwater mitigation, and hear islands?

Answer:

do u speak english

Explanation:

Answer:

The energy in pneumatic power systems is easily transmitted to gases, which absorb the energy of the system and lower its efficiency.

Explanation:

I did it on edge and got it right.

Answer:

The energy in pneumatic power systems is easily transmitted to gases, which absorb the energy of the system and lower its efficiency

Thanks for points!!! :D

The rate of heat loss per unit length from the bare pipe is 163 W/m.

Newton's law of cooling is a physical law in the study of heat transmission that states that the rate of heat loss in a body is directly proportional to the temperature differential between the body and its surroundings.

The law is typically qualified by the need that the temperature differential be minimal and the nature of the heat transmission mechanism stay constant. As such, it is comparable to saying that the heat transfer coefficient, which mediates heat losses and temperature variations, is constant.

As a result of Fourier's law, Newton's Law is frequently followed in heat conduction. Most materials' thermal conductivity is only moderately temperature dependent, hence the constant heat transfer coefficient condition is frequently met.

Given, p = 20 bar

\(T_{sat}=T_s=486 K\), ε = 0.8

D = 0.2, σ = \(5.67\times 10^{-8}\)

h = 20 W/m^2 . K

The rate of heat transfer per unit length without insulation is,

\(q=0.8\times 3.14\times 0.2\times 5.67\times 10^{-8}(486^4-298^4)+20\times 3.14\times 0.2(486-238)\\q=1365+2362\\q=3727 W/m\)

Temperature at the outer surface, T = 305 K

Now, Heat loss per unit length from the isolated pipe,

\(q'=\frac{T_{s.i}-T_{s,o}}{\frac{ln(D_o/D_i)}{2\pi k} } \\\\q' = \frac{486-305}{\frac{ln(0.3/0.2)}{2\pi \times0.058} }\\\\q'=163 W/m\)

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The best alternative about the red-light shift is It is used to observe the expandable universe and one expression of the Doppler effect.

The red-light shift refers to a phenomenon observed in light waves where the wavelength of the light is stretched, causing a shift towards the red end of the spectrum. Option B correctly states that the red-light shift is used to observe the expanding universe and is an expression of the Doppler effect.

When light waves from distant galaxies or celestial objects travel through space, the expansion of the universe causes the wavelength of the light to stretch. This stretching leads to a shift towards longer wavelengths, which appear as a red shift when observed from Earth. This phenomenon is an essential tool in studying the expansion and evolution of the universe.

The Doppler effect is the change in frequency or wavelength of a wave as perceived by an observer when there is relative motion between the source of the wave and the observer. In the context of the red-light shift, the motion of distant galaxies away from us causes the observed wavelength of their light to increase, resulting in a red shift.

By observing the red-light shift, scientists can gather valuable information about the distance, speed, and behavior of celestial objects. It provides evidence for the expansion of the universe and helps in understanding its dynamics and history.

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Search Engines scan millions of websites to identify individual web pages that contain a specific word or phrase and then attempt to rank the results from most useful to least useful.

For your content to show up in search results, search engines must first be able to see it.

In order to operate, search engines must do three essential tasks:

Crawling: Search the Internet for content while reading the code and content of each URL you come across.

Indexing: Archive and arrange the information gathered through the crawling operation. After being indexed, a page has a chance of responding to pertinent searches.

Ranking: Provide the material that best responds to a searcher's query; therefore, results are ranked from most to least pertinent.

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Answer:

if you're talking about the car b-post, the answer is "posts"

Explanation:

looked it up

Answer:

it's B I think

Explanation:

hopefully that helps you

Answer: C

Explanation: A mortar mixer is the equipment that would help Seth in the process of building a wall of bricks. A mortar mixer is used to mix the mortar, which is the binding material used to hold the bricks together. It ensures the mortar is properly mixed to the right consistency for laying the bricks.

One of the predominant health beliefs in Middle Eastern culture is the belief in the "evil eye" or "nazar." The evil eye is thought to be a malevolent gaze or envy directed towards an individual, which is believed to cause harm, illness, or misfortune. It is commonly believed that someone with an envious or jealous look can unintentionally transmit negative energy or bring about illness or bad luck.

To counteract the potential effects of the evil eye, various protective measures are often taken. These may include wearing amulets or charms known as "nazar boncuk" or "evil eye beads" to ward off the negative energy. Additionally, reciting prayers or using other religious rituals is believed to offer protection against the evil eye.

It is important to note that the belief in the evil eye is not limited to the Middle Eastern culture. Similar beliefs exist in various cultures worldwide, including Mediterranean, South Asian, and Latin American cultures, each with their own variations and practices.

It is essential to approach cultural beliefs and practices with respect and understanding, recognizing that they play a significant role in shaping people's worldview and perceptions of health and illness.

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To make a couple of quick enhancements to the Miles Per Gallon application, like clearing the two entries if the user double-clicks in the Miles Per Gallon text box, follow the steps given below:

Step 1: First, create a new project in Visual Studio and add a Form to it.

Step 2: Next, drag and drop two Labels and two TextBoxes to the form. Arrange the labels and text boxes in the form.

Step 3: Then, add a Button named 'Calculate' to the form. Place it below the second textbox. Also, add another button named 'Clear' next to it.

Step 4: Now, double-click on the 'Calculate' button to create the event handler method. Write the following code in it:

Private Sub btnCalculate_Click(ByVal sender As System. Object, ByVal e As System.EventArgs) Handles btnCalculate.Click Dim miles, gallons, mpg As Double miles = CDbl(txtMiles.Text) gallons = CDbl(txtGallons.Text) mpg = miles / gallons lblMPG.Text = mpg.ToString("n2") End Sub

Step 5: Double-click on the 'Clear' button to create the event handler method. Write the following code in it: Private Sub btnClear_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnClear.Click txtMiles.Clear() txtGallons.Clear() lblMPG.Text = String.Empty End Sub

Step 6: Double-click on the 'txtMiles' textbox to create the event handler method. Write the following code in it:

Private Sub txtMiles_DoubleClick(ByVal sender As Object, ByVal e As System. EventArgs) Handles txtMiles.DoubleClick txtMiles.Clear() txtGallons.Clear() End Sub

Step 7: Double-click on the 'txtGallons' textbox to create the event handler method. Write the following code in it: Private Sub txtGallons_DoubleClick(ByVal sender As Object, ByVal e As System.EventArgs) Handles txtGallons.DoubleClick txtGallons.Clear() txtMiles.Clear() End Sub

Step 8: Finally, run the application and enter the miles and gallons values in the text boxes. Click on the 'Calculate' button to calculate the Miles Per Gallon. Double-click on either of the text boxes to clear the values. Double-click again to clear both the text boxes.

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Answer:

I agree

Explanation:

Answer:

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

funny question of no reason but k

Explanation:

Answer:

E = 8.83 kips

Explanation:

First, we determine the stress on the rod:

\(\sigma = \frac{F}{A}\\\\\)

where,

σ = stress = ?

F = Force Applied = 1300 lb

A = Cross-sectional Area of rod = 0.5\(\pi \frac{d^2}{4} = \pi \frac{(0.5\ in)^2}{4} = 0.1963\ in^2\)

Therefore,

\(\sigma = \frac{1300\ lb}{0.1963\ in^2} \\\\\sigma = 6.62\ kips\)

Now, we determine the strain:

\(strain = \epsilon = \frac{elongation}{original\ length} \\\\\epsilon = \frac{0.009\ in}{12\ in}\\\\\epsilon = 7.5\ x\ 10^{-4}\)

Now, the modulus of elasticity (E) is given as:

\(E = \frac{\sigma}{\epsilon}\\\\E = \frac{6.62\ kips}{7.5\ x\ 10^{-4}}\)

E = 8.83 kips

This question is incomplete, the complete question is;

A large tower is to be supported by a series of steel wires. It is estimated that the load on each wire will be 11,100 N.

Determine the minimum required wire radius assuming a factor of safety of 3 and a yield strength of 1500 MPa.

answer in mm please

Answer:

the minimum required wire radius is 5.3166 mm

Explanation:

Given that;

Load F = 11100N

N = 3

∝y = 1500 MPa

∝workmg = ∝y / N = 1500 / 3 = 500 MPa

now stress of Wire:

∝w = F/A

500 × 10⁶ = 11100 / A

A = 22.2 × 10⁻⁶ m²

so

(π/4)d² = A

(π/4)d² = 22.2 × 10⁻⁶

d² = 2.8265 × 10⁻⁵

d = 5.3165 7 × 10⁻³ m³

now we convert to mm(millimeters)

d = 5.3166 mm

Therefore the minimum required wire radius is 5.3166 mm

A distance of at least 6 inches should separate the siding from a roof surface.

A distance of at least 6 inches should separate the siding from a roof surface.

This is to prevent moisture and water damage that can result from contact between the two surfaces.

When siding is installed too close to the roof surface, rainwater and other moisture can easily seep into the siding and cause rot, decay, and other forms of damage.

This can result in expensive repairs and replacements over time. To avoid this, it is essential to maintain a sufficient gap between the siding and the roof surface.

In addition, proper installation techniques and materials should be used to ensure that the siding is securely attached and able to withstand exposure to the elements over time.

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Given :

Mass of gasoline , m = 50 kg .

Length of tank , l = 0.9 m.

Breadth of tank , b = 0.5 m .

Relative density of gasoline , R.D = 0.75 .

Density of water , \(\rho_{water}=1000\ kg/m^3\) .

To Find :

The depth of tank .

Solution :

We know ,

\(R.D=\dfrac{\rho_{gasoline}}{\rho_{water}}\\\\\rho_{gasoline}=0.75\times 1000 \ kg/m^3\\\\\rho_{gasoline}=750\ kg/m^3\)

Now , volume of gasoline is :

\(V=\dfrac{m}{\rho_{gasoline}}\\\\V=\dfrac{50}{750}\ m^3\\\\V=\dfrac{1}{15}\ m^3\)

Since , the tank is rectangular , volume is given by :

\(V=l\times b\times h\\\\h=\dfrac{V}{l \times b}\\\\h=\dfrac{1}{15\times 0.9\times 0.5}\ m\\\\h=0.148\ m=14.8\ cm\)

Therefore , the answer in centimetres is 14.8 cm .

Hence , this is the required solution .

The strength of coupling (coefficient of coupling) for the given pair of coils is 0.25.

the strength of coupling between the two coils is 0.25. This indicates that the two coils are moderately coupled, as the coefficient of coupling ranges from 0 to 1, with 1 indicating perfect coupling. To calculate the strength of coupling for a pair of coils with self-inductances of 4 mH and 16 mH, and a mutual inductance of 2 mH  we use the coefficient of coupling formula: Coefficient of coupling (k) = Mutual Inductance (M) / sqrt(L1 * L2)

The strength of coupling between two coils with self-inductances of 4 mh and 16 mh and a mutual inductance of 2 mh can be calculated using the formula for coefficient of coupling (k).  k = M/√(L1L2) where M is the mutual inductance, L1 is the self-inductance of the first coil, and L2 is the self-inductance of the second coil.

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Answer:

He can take the job at the fast food restaurant to make money in order to pursue his career in robotics it doesnt mean he cant pursue it just he needs to make money for it first.

Answer:

gh fjh,vx j ahj ds djv dk

Explanation:

doing for points

The Cost of 1 kilowatt hour of energy at the rate of $0.75 per 1.5 watt hour is $500 which is 5000 times greater than the cost of energy at $0.10 per kilowatt hour.

Battery power = Current × Voltage

Cost of 1.5 Watt-hour = $0.75

Converting Energy to Watt - hour :

1 kilowatt = 1000 watt

1 kilowatt hour = 1000 watt - hour

Hence,

Cost of 1 kilowatt - hour = 1000 watt - hour can be calculated thus :

1.5 Watt-hour = $0.75

1000 Watt-hour = c

Cross multiply :

1.5c = $0.75 × 1000

1.5c = 750

c = 750 / 1.5

c = 500

Therefore, cost of 1 kilowatt - hour of energy will be $500

Comparing the cost of Energy at $500 per Kilo-Watt hour to Cost at $0.10:

$500 / $0.10 = 5000

Therefore, the cost of energy at $500 per kilowatt hour is 5000 times greater than cost at $0.10 per kilowatt hour.

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A drive axle is a split axle that has a differential between the two half axles and universal joints (UV joints). It refers to the axles or drive shafts of the car's driving wheels and is a crucial part of the drivetrain.

The drivetrain of a car could be the component with the least knowledge. This is caused by a number of things, including the frequent conflation of the terms "drivetrain," "powertrain," and "driveline."

The transmission, driveshaft, axles, and wheels make up the drivetrain. To put it simply, it assists the engine in moving the wheels. A vehicle's powertrain system is a crucial part, and the transmission is a crucial component of the drivetrain.

The drivetrain is made up of a number of parts that help a car move ahead by transferring power from the transmission to the wheels. The driveshaft, CV joints, differential, axle shafts, and U-joints are some of these parts.

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One of the National Academy of Engineering's Grand Challenges for Engineering is to manage the nitrogen cycle.

This challenge aims to develop sustainable methods for efficiently using nitrogen in agricultural and industrial processes, while minimizing negative environmental impacts.

The nitrogen cycle is a natural process that involves the conversion of nitrogen between different forms in the environment. However, human activities, such as the excessive use of nitrogen-based fertilizers and the burning of fossil fuels, have disrupted this cycle and led to environmental problems.

Managing the nitrogen cycle requires finding solutions to reduce nitrogen pollution, improve nitrogen use efficiency in agriculture, develop sustainable practices for wastewater treatment, and minimize nitrogen emissions from industrial processes.

By addressing this grand challenge, engineers aim to develop innovative technologies, policies, and practices that can help restore balance to the nitrogen cycle, protect ecosystems, and ensure the sustainable use of nitrogen resources.

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The three main principles in engineering design are: strategic balance, top management approach and team work.

The principles are fundamental concepts that engineers use to develop effective solutions to complex problems. These principles are based on scientific and mathematical principles as well as practical considerations related to the materials, technologies and resources available to the engineer.

The engineering design process involves several stages, including problem identification, research, concept development, prototyping and testing. Throughout each stage, engineers apply various principles to ensure that their designs meet the needs and requirements of the intended users.

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Answer:

Problem definition

Explanation:

The engineering design is a series of step that the engineer gradually take in other to create a functioning product or process. There are many different models of the engineering design process , but they can be shrunk into four basic steps which are

The students are within the first step, and the problem here is 'an appropriate means for the students to keep their drinks cold, for 3 hours for the ball game.'

Answer:

\(D=4.02\)

Explanation:

From the question we are told that:

Part Dimension \(x=4.00in\)

Generally the equation for the corresponding dimension to which the mold cavity should be machined is mathematically given by

\(D=x-(xS)+(4S^2)\)

Where

S= Value for Skinage

From Table pf AB's

\(S=0.006\)

Therefore

\(D=4-(4*0.006)+(4(0.006)^2)\)

\(D=4.02\)

Answer:

True

Explanation:

Spray gun plays an one of the most important roles in spray finishing as it directs air to atomize the fluid, gives the particles sufficient velocity to reach the product surface, and shapes the pattern/texture. Hope this helps you as much as intended.

Answer: True

Explanation:

The air cap on the spray gun plays an important role in spray finishing as it directs air to atomize the fluid, gives the particles sufficient velocity to reach the product surface, and shapes the pattern.

The term commonly used to describe the situation where a part of the population uses advanced technology for work and education while another part uses only basic technology for social media and entertainment is the "digital divide."

The digital divide refers to the gap between individuals or communities who have access to and effectively utilize digital technologies, such as computers, the internet, and other digital tools, and those who lack such access or have limited access. It encompasses disparities in technology infrastructure, internet connectivity, digital literacy, and skills.

In the context you described, the digital divide manifests as a disparity in the use of technology for different purposes. Some individuals or groups may have access to advanced technology resources, enabling them to leverage technology for work-related tasks, educational pursuits, and other productive activities. On the other hand, another part of the population may have limited access to technology and primarily use basic technology resources, such as smartphones or basic internet connectivity, mainly for social media and entertainment purposes.

Addressing the digital divide is important to ensure equal opportunities for individuals and communities to participate in the digital age and benefit from the advantages that technology can offer, including access to information, educational resources, employment opportunities, and social and economic inclusion. Efforts to bridge the digital divide include improving access to technology and internet connectivity, promoting digital literacy and skills development, and fostering digital inclusion initiatives to empower disadvantaged individuals and communities.

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Answer:

the amount of bleed steam required to heat 1 kg of feedwater in this unit is 0.078 kg/s

Explanation:

Given that:

Pressure of the feed water = 7000 kPa

Temperature of the closed feedwater heater = 260 ° C

Pressure of of the turbine = 6000 kPa

Temperature of the turbine = 325 ° C

The  objective is to calculate the amount of bleed steam required to heat 1 kg of feedwater in this unit.

From the table A-4 of saturated water temperature table at temperature  260° C at state 1 ;

Enthalpies:

\(h_1 = h_f = 1134.8 \ kJ/kg\)

From table A-6 superheated water at state 3 ; the value of the enthalpy relating to the pressure of the turbine at 6000 kPa and temperature of 325° C  is obtained by the interpolating the temperature between 300 ° C and 350 ° C

At 300° C; enthalpy = 2885.6 kJ/kg

At 325° C. enthalpy = 3043.9 kJ/kg

Thus;

\(\dfrac{325-300}{350-300}=\dfrac{h_{325^0}-{h_{300^0}}}{{h_{350^0}}- {h_{300^0}}}\)

\(\dfrac{325-300}{350-300}=\dfrac{h_{325^0}-2885.6}{3043.9-2885.6 }}\)

\(\dfrac{25}{50}=\dfrac{h_{325^0}-2885.6}{3043.9-2885.6 }}\)

\(h_{325^0} = 2885.6 + \dfrac{25}{50}({3043.9-2885.6 )\)

\(h_{325^0} = 2885.6 + 0.5({3043.9-2885.6 )\)

\(h_{325^0} =2964.75 \ kJ/kg\)

At pressure  of 7000 kPa at state 6; we obtain the enthalpies corresponding to the pressure at table A-5 of the saturated water pressure tables.

\(h_6 = h_f = 1267.5 \ kJ/kg\)

From state 4 ;we obtain the specific volume corresponding to the pressure of 6000 kPa at table A-5 of the saturated water pressure tables.

\(v_4 = v_f = 0.001319\ m^3 /kg\)

However; the specific work pump can be determined by using the formula;

\(W_p = v_4 (P_5-P_4)\)

where;

\(P_4\) = pressure at state 4

\(P_5\) = pressure at state 5

\(W_p = 0.001319 (7000-6000)\)

\(W_p = 0.001319 (1000)\)

\(W_p =1.319 \ kJ/kg\)

Using the energy balance equation of the closed feedwater heater to calculate the amount of bleed steam required to heat 1 kg of feed water ; we have:

\(E_{in} = E_{out} \\ \\ m_1h_1 +m_3h_3 + m_3W_p = (m_1+m_3)h_6\)

where;

\(m_1 = 1 \ kg\)

Replacing our other value as derived above into the energy balance equation ; we have:

\(1 \times 1134.8 +m_3 \times 2964.75 + m_3 \times 1.319 = (1+m_3)\times 1267.5\)

\(1134.8 + 2966.069 \ m_3 = 1267.5 + 1267.5m_3\)

Collect like terms

\(2966.069 \ m_3- 1267.5m_3 = 1267.5-1134.8\)

\(1698.569 \ m_3 =132.7\)

\(\ m_3 = \dfrac{132.7}{1698.569}\)

\(\mathbf{ m_3 = 0.078 \ kg/s}\)

Hence; the amount of bleed steam required to heat 1 kg of feedwater in this unit is 0.078 kg/s

As the temperature of the material increases, the potential energy of the molecules increases. Thermal expansion occurs due to changes in temperature, and interatomic distances increase as potential energy increases.

Thermal expansion is used in a variety of applications such as rail buckling, engine coolant, mercury thermometers, joint expansion, and others.

It is to be noted that an application of the concept of liquid expansion in everyday life concerns liquid thermometers. As the heat rises, the mercury or alcohol in the thermometer tube moves in only one direction. As the heat decreases, the liquid moves back smoothly.

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