2. 1500-gallon tank initially contains 2271.2472 L of water with 2.267962 kg of salt dissolved in it. Waterenters the tank at a rate of 9 gal/hr. and the water entering the tank has a salt concentration of0.5(1 + cost) lbs/gal. If a well mixed solution leaves the tank at a rate of 6 gal/hr., how much saltis in the tank when it overflows?

Note:- 1 Liter = 0.264172 gallon then 2271.2472 Liter = 600 gallon 1 kg = 2.20462 lbs…

Answered: 2. 1500-gallon tank initially contains…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Answer in a given-required format
A tank initially contains 50 gal. of fresh water. Brine (water in which a certain number of pounds of salt have been dissolved), containing 2 lb/gal of salt, flows into the tank at the rate of 2 gal/min and the mixture kept uniform by stirring runs out at the same rate. How long will it take to increase from 40 lbs. to 80 lbs.?
Mr. Goodmoore used a 60-foot sprayer to apply 11 / / 2 quarts per acre of a postemergence (burndown) herbicide to 600 acres of corn land. The herbicide is sold in a 21 / / 2-gallon container at $98.75 per container. He sprayed at a rate of 5.5 mph. Allow an extra 10 percent of total time for turning and filling. a. How many hours did it take to apply the herbicide? b. What was the cost of the herbicide?
A tank initially have 100 L with 50 g of dissolved salt. brine is pumped into the tank at a rate of 2 L/min carrying 2 grams of salt per liter. The well-stirred mixture is pumped out of the tank at a rate of 3 L/min. Find the concentration of the solution after 1 hour.
A tank contains 200 liters of fresh water. Brine containing 2.5 N/L of dissolved salt runs into the tank at the rate of 8 L/min and the mixture kept uniform by stirring runs out at 4 liters/min. What is the amount of salt when the tank contains 320 liters of brine? 487.5 N 287.5 N 387.5 N 416.7 N
A water tank that initially contains 140 L of solution in which 20 g of salt was dissolved. A solution with a salt concentration of 4 g/L is added at a rate of 6 L/min. The solution is mixed well and was drained from the tank at a rate of 4 L/min. Find the answer for the following question. 1) Find the concentration of the solution in the tank after 30 minutes.

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