A mixing tank contains 80 gallons of pure water solution. When the mixing system is turned on, a saltwater solution with 2 Ib/gal of salt enters at a rate of 5 gal/min. The well stirred solution leaves the mixing tank at a rate of 3 gal/min. Determine the formula for the amount of salt in the mixing tank at any time. a) Draw a diagram of the mixing tank labeling the given parameters of the problem. b) Determine the differential equation and the initial conditions. c) Determine the formula for the amount of salt in the mixing tank at any time.

A mixing tank contains 80 gallons of pure water solution. When the mixing system is turned on, a saltwater solution with 2 Ib/gal of salt enters at a rate of 5 gal/min. The well stirred solution leaves the mixing tank at a rate of 3 gal/min. Determine the formula for the amount of salt in the mixing tank at any time. a) Draw a diagram of the mixing tank labeling the given parameters of the problem. b) Determine the differential equation and the initial conditions. c) Determine the formula for the amount of salt in the mixing tank at any time.

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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Concept explainers

Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.

Question

A mixing tank contains 80 gallons of pure water solution. When the mixing system is turned on, a
saltwater solution with 2 lb/gal of salt enters at a rate of 5 gal/min. The well stirred solution leaves the
mixing tank at a rate of 3 gal/min. Determine the formula for the amount of salt in the mixing tank at any
time.
a) Draw a diagram of the mixing tank labeling the given parameters of the problem.
b) Determine the differential equation and the initial conditions.
c) Determine the formula for the amount of salt in the mixing tank at any time.
Note: Use exact number for this problem, do not use decimals.

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