WATER RESOURCES ENGINEERING
3rd Edition
ISBN: 9781119490579
Author: Mays
Publisher: WILEY
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Chapter 2, Problem 2.1.2P
To determine
The discussion of the poorest and most vulnerable people left behind from the report of MDG 2015.
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Solve the following application problems.
The population of a certain community is known to increase at a rate proportional to the number of people presently living in the community. If after 5 years the population has doubled and after three vears the population is 10.000. What was the initia population? What will be the population in 10 years?
Determine the expected population for a rural community of 1,500 people after 15 years if the community is losing population at a rate of 1%/y because of migration to urban areas. The birth rate is 20 per thousand per year and the death rate is 0.5 percent per year?
A WATER SUPPLY DAM WILL COST $7 MILLION TO BUILD AND IT WILL HAVE EROSION CONTROL COSTS OF $800,000 EVERY 5 YEARS FOREVER. AT AN INTEREST RATE OF 10% PER YEAR, WHAT IS THE CAPITALIZED COST OF THE DAM?
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- Is the Philippines doing enough in maintaining SDG 9 which is the Industry innovation and infrastructure?arrow_forwardDraw out and explain how the polluter pays principle, intergenerational equity principle as well as the sustainability principles have been expressed in the; Lesotho Environment Act 2008arrow_forwardQ4: Considering PEST (Political, Economic, Social and Technological) analysis, explain the environmental projects.arrow_forward
- A dam is being considered to reduce river flooding. But if a dam is built, what height should it be? Increasing the dam’s height will (1) reduce a flood’s probability, (2) reduce the damage when floods occur, and (3) cost more. Which dam height minimizes the expected total annual cost? The state uses an interest rate of 5% for flood protection projects, and all the dams should last 50 years.arrow_forwardSolve the application problem. Show complete details of your solution. The population of a certain community is known to increase at a rate proportional tothe number of people presently living in the community. If after 5 years the populationhas doubled and after three years the population is 10,000. What was the initialpopulation? What will be the population in 10 years?arrow_forwardDescribe three benefits and three costs of damming rivers. What particular environmental, health, and social concerns has China’s Three Gorges Dam and its reservoir raised?arrow_forward
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