7. A 200-litre tank initially contains 100 litres of water with a salt concentration of 0.1 grams per litre. Water with a salt concentration of 1/3 grams per litre flows into the tank at a rate of 30 litres per minute, and the well-mixed solution is pumped out of the tank at a rate of 20 litres per minute. Let C(t) grams per litre be the concentration of salt in the tank at time t minutes. We can model C(t) with the differential equation, C'(t) = 10 - 20C(t) 10t + 100 Solve this differential equation for C(t).
7. A 200-litre tank initially contains 100 litres of water with a salt concentration of 0.1 grams per litre. Water with a salt concentration of 1/3 grams per litre flows into the tank at a rate of 30 litres per minute, and the well-mixed solution is pumped out of the tank at a rate of 20 litres per minute. Let C(t) grams per litre be the concentration of salt in the tank at time t minutes. We can model C(t) with the differential equation, C'(t) = 10 - 20C(t) 10t + 100 Solve this differential equation for C(t).
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section: Chapter Questions
Problem 5T
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