Q2. For a city of a population (10,000+x+y) capita (in 2012) and geometric increase rate = 1.2%. find the population in (2040)
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- 5. A population of 4 million inhabitants grows at a rate of 3% annually.Calculate the population size at the end of 5 years.Consider an island with a population density of 50 people/km2 . If the annual growth is 2%, determine the year in which the population density be equal to 20,000 people/km2The population of a community is known to increase at a rate proportional to the number of people present at a time t. If an initial population Po has doubled in 5 years, how long will it take to triple?
- A water treatment plant in a city is to be upgraded to meet the needs of the population in the year 2025, and the water distribution system is to be expanded to meet the needs of the population in the year 2045 or 2055. The 2010-population of the city was 225000, and based on a saturation population of 2,500,000, the 2070-population is estimated to be 420000. Estimate, using decreasing rate of increase method, the city's population in 2025, 2045 and 2055 to facilitate the design of these systems. Don't attempt wrongThe population of a certain community follows the law of exponential change. If the present population of the community is 144,000 and ten (10) years ago was 100,000 when will the population double? In ten (10) years what will be the population of the community?1- The recent population of a city is 30000 inhabitant. What is the predicted population after 30 years if the population increases 4000 in 5 years. 2- The recent population of a city is 30000 inhabitant. What is the predicted population after 30 years if the growth rate is 3.5%. 3- The population of a town as per the senses records are given below, estimate the population of the town as on 2040 by all methods.
- Given Data: total population of District Peshawar in 2017= 4269079 which include, Urban = 1970042 and rural = 2299037 Average annual growth rate is 3.99 from 1998 to 2017. Use 8 percent growth rate for Urban population alone. Question: Calculate the future population of the District Peshawar in 2030. Use the formula P f = P i *(1+r) t Calculate the future urban population of Peshawar in 2030. Use the formula given above. Please solve it step wiselyUsing geometric increase method. Find out population in the yera 2021, 2031 and 2041. In the year 1971 the population was 84000, year 1981 it was 115000, in the year 1991 population was 160000, the year 2001 the population was 205000 and the year 2011 it was 250000.A city has 3,400,000 capita and current domestic demand is 185 liter/capita/day. The population average increase is 20,000 capita per decade; and the increase is also estimated as 1.35%. The average consumption of water increases by 22% in summer and decreases by 18% in winter. There are industrial and commercial activities in this city. Forecast future population by two methods. Calculate the average domestic demand for this city after 50 years in normal, summer and winter days. Estimate the firefighting demand. Then calculate total average water demand. Finally determine the maximum hourly and maximum daily demands.
- The population of a state is 25,600 in the year 1800 and 218,900 in the year 1900. Calculate the expected population in the year 2000 if (a) the growth is linear and (b) the growth is exponential.Population of a town today is 10000. The population has decreased steadily at the rate of 1% per year for last 10 years. Determine the population at the end of each year in the last decade.Water is available at a rate of 2000 L/min to a small apartment complex, consisting of four units. If at a given time, units 1, 2, and 3 are consuming 9 kg/s, 7 kg/s, 8 kg/s, respectively, how much water is available to unit 4? Express your answer in m3 ⁄s and kg/s.