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write my assignment 19550

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You are to present a local environmental issue or problem, solutions to the problem, the costs/benefits associated with the solutions to the problem, and a determination of the best solution, based on your analysis of the costs and benefits. Be sure to not make your topic too broad. It should cover a specific town or area, not the entire world or a country, but does not have to be the particular town or area you live – it can be anywhere in the world. Please stay away from global warming issues. This is an extremely difficult area to narrow down locally and present reasonable solutions. It is simply much too broad for this type of presentation.

As an example, runoff from a coalmine may be contaminating the groundwater of a nearby town. A solution to abating the contaminated groundwater could be to shut down the coalmine, but at the cost of everyone losing their jobs. A benefit to this solution could be clean drinking water for the community.

There are a host of other costs and benefits associated with the solution to the above example. There are also many alternatives for solutions, none of which would make everyone happy. It is your job to find these costs and benefits for whatever solutions you choose. Then, analyze each solution’s costs and benefits to determine which is the best solution. Remember when considering costs and benefits, they go far beyond dollar values (e.g. loss or gain of jobs, land use, recreation, convenience, public health, habitat loss or gain, pollution, etc.).

Include a slide with the title of your presentation, then an introduction slide describing the environmental problem. The main body of the presentation should describe the solutions and the costs/benefits to the proposed solution and give recommendations based on your cost/benefit analysis. Be sure to use citations and include a reference slide.

 

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write my assignment 25538

Question:Q1,The following information may or may not be useful. For water:

cw = 4186 J·kg-1·K-1

Lvap = 2.26×106 J·kg-1

Lfus = 3.33×105 J·kg-1

279 mL of homemade lemonade in a styrofoam cup has a temperature of T = 15.7°C. Assume that the lemonade has the same thermal properties as water and the styrofoam cup is a good insulator.

What mass of ice (at 0°C) needs to be added to reduce the temperature of the lemonade to 0°C?

If 10.3 g of ice is added to the lemonade, what is the final temperature of the lemonade?

Instead of being cooled by the addition of ice the lemonade is instead heated on the stove to a final temperature of Tf = 86.2°C. At 40.0°C the volume of the lemonade is measured and found to have increased by 1.00 mL.

If the expansion is linear with temperature what is the increase in volume from Ti = 15.7°C to Tf = 86.2°C?

Q2, A hot reservoir at temperature Thot = 76.0°C is connected to a cold reservoir with a temperature of Tcold = 28.7°C by a metal rod.

The metal has a thermal conductivity of k = 156.7 W/m°C, a cross-section of A=46.8 cm2, and a length of L = 47.5cm.

What is the rate of heat flow along the rod?

How long does it take for 467.5 kJ to pass through the rod?

Which of the following changes would decrease the time needed for this amount of energy to pass through the rod?

Select all of the correct answers.

Select one or more:

Use a metal with a higher thermal conductivity.

Increase the cross-sectional area of the rod.

Decrease Thot.

Increase the length of the rod.

Decrease Tcold.

Q3, A water bottle has 28.5 mL of air at the top. The bottle is removed from the fridge at 4.00°C, the lid is unscrewed and then replaced while being exposed to 1.00 atm of pressure. Assume air can be modeled as an ideal gas.

How many mols of air are in the top of the bottle?

The bottle is placed in a car and heats up to 46.1°C. What is the pressure of the air at the top of the bottle now? Assume that the water and bottle do not expand.

If the temperature remained at 4.00°C, what pressure would need to be applied on the gas to halve its volume?

 

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write my assignment 2511

“Executive Pay Discussion:

Executive pay is a complex and touchy subject. The skills managers have impacts the success of the firm. Executives do deserve to be given a piece of the pie when they help companies make huge profits each year. However, they have also been criticized for being overpaid at the same time that employees were being laid off. Studies show that executives are paid up to 200 times as much as the average worker? Discuss both sides of this issue. Is it ethical to take a large pay increase at the same time you are laying off workers? Are companies being socially responsible? “

*I need to substantive responses for my classmates:

 

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write my assignment 26852

Competency

Analyze project management processes, scope, and the project management life cycle within a range of projects.

Scenario Information

You are assuming the role of the project manager for a company called SuperPacks to provide a new backpack product with a built-in refrigeration pouch and radio module. Your customer for this project is the U.S. Army, Ground Forces and Special Operations. As the project manager for your team, you will be submitting to your manager a project management report.

Instructions

Part I – Project Scope Document

You will take on the role of Project Manager. As such, you will determine the project scope and project schedule for SuperPacks. This task has two parts. In the FIRST part, you will use the Project Scope Document Template to develop your project scope document. In the SECOND part, you will use Tab 2 of the Project Schedule Template to develop your project schedule and include it with your written analysis. Tab 2 will provide you with the unexpected events information needed to complete your analysis.

Develop the project scope document to include the following information:

  • Project description
  • Project assumptions
  • Project goals
  • Project constraints (if any)
  • Project limitations
  • Project milestones
  • Project risks (initial assessment)

The Project Scope needs to be developed prior to any analysis of unexpected events.

Part 2 – Analysis of Unexpected Events

In this second part of your task as Project Manager, provide an analysis of unexpected events to your management using the Project Schedule Template (the unexpected events are located in Tab 2 of the document). In your analysis, you should discuss the following:

  • Four areas affected by these unexpected events.
  • Three of the areas of the project affected by the events should include changes to the budget, human capital, and impact to schedule.
  • Identify one additional area affected by these events.

 

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