Suppose that a tank with a capacity of 30 gallons initially contains 18 gallons of pure water. A salt solution containing 3 pounds of salt per gallon is allowed to run into the tank at a rate of 18 gal/min, and well stirred mixture is then removed at a rate of 12 gal/min, as shown in the figure. The process is continued until the tank is filled (see figure below). Fluid In W+ 1. Write an intial value problem for w, the total weight (in pounds) of salt in the tank. 4+1 Mixture The concentration is 63 Fluid Out w = 30 w(0)=0 2. Determine the concentration of the salt solution in the tank at the end of the process. X X Ibs/gal.
Suppose that a tank with a capacity of 30 gallons initially contains 18 gallons of pure water. A salt solution containing 3 pounds of salt per gallon is allowed to run into the tank at a rate of 18 gal/min, and well stirred mixture is then removed at a rate of 12 gal/min, as shown in the figure. The process is continued until the tank is filled (see figure below). Fluid In W+ 1. Write an intial value problem for w, the total weight (in pounds) of salt in the tank. 4+1 Mixture The concentration is 63 Fluid Out w = 30 w(0)=0 2. Determine the concentration of the salt solution in the tank at the end of the process. X X Ibs/gal.
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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