Suppose: • The vat contains 270 gallons of liquid, which • • . never changes. Sugar water with a concentration of 10 tablespoons/gallon flows through pipe A into the vat at the rate of 30 gallons/minute. Sugar water with a concentration of 8 tablespoons/gallon flows through pipe B into the vat at the rate of 35 gallons/minute. • The liquid in the vat is kept well-mixed. Sugar water leaves the vat through pipe C at the rate of 65 gallons/minute. Let S(t) represent the number of tablespoons of sugar in the vat at time t, where t is given in minutes. (A) Write the DE model for the time rate of change of sugar in the vat: dS dt (B) Solve the differential equation to find the amount of sugar in the vat as a function of time. Your function will have an arbitrary constant K in it. Assume that K > 0. S(t) = (C) Suppose that there are 32 tablespoons of sugar in the vat at t = present 4 minutes later? 0. How many tablespoons will be tablespoons Suppose: • The vat contains 270 gallons of liquid, which • • . never changes. Sugar water with a concentration of 10 tablespoons/gallon flows through pipe A into the vat at the rate of 30 gallons/minute. Sugar water with a concentration of 8 tablespoons/gallon flows through pipe B into the vat at the rate of 35 gallons/minute. • The liquid in the vat is kept well-mixed. Sugar water leaves the vat through pipe C at the rate of 65 gallons/minute. Let S(t) represent the number of tablespoons of sugar in the vat at time t, where t is given in minutes. (A) Write the DE model for the time rate of change of sugar in the vat: dS dt (B) Solve the differential equation to find the amount of sugar in the vat as a function of time. Your function will have an arbitrary constant K in it. Assume that K > 0. S(t) = (C) Suppose that there are 32 tablespoons of sugar in the vat at t = present 4 minutes later? 0. How many tablespoons will be tablespoons
Suppose: • The vat contains 270 gallons of liquid, which • • . never changes. Sugar water with a concentration of 10 tablespoons/gallon flows through pipe A into the vat at the rate of 30 gallons/minute. Sugar water with a concentration of 8 tablespoons/gallon flows through pipe B into the vat at the rate of 35 gallons/minute. • The liquid in the vat is kept well-mixed. Sugar water leaves the vat through pipe C at the rate of 65 gallons/minute. Let S(t) represent the number of tablespoons of sugar in the vat at time t, where t is given in minutes. (A) Write the DE model for the time rate of change of sugar in the vat: dS dt (B) Solve the differential equation to find the amount of sugar in the vat as a function of time. Your function will have an arbitrary constant K in it. Assume that K > 0. S(t) = (C) Suppose that there are 32 tablespoons of sugar in the vat at t = present 4 minutes later? 0. How many tablespoons will be tablespoons Suppose: • The vat contains 270 gallons of liquid, which • • . never changes. Sugar water with a concentration of 10 tablespoons/gallon flows through pipe A into the vat at the rate of 30 gallons/minute. Sugar water with a concentration of 8 tablespoons/gallon flows through pipe B into the vat at the rate of 35 gallons/minute. • The liquid in the vat is kept well-mixed. Sugar water leaves the vat through pipe C at the rate of 65 gallons/minute. Let S(t) represent the number of tablespoons of sugar in the vat at time t, where t is given in minutes. (A) Write the DE model for the time rate of change of sugar in the vat: dS dt (B) Solve the differential equation to find the amount of sugar in the vat as a function of time. Your function will have an arbitrary constant K in it. Assume that K > 0. S(t) = (C) Suppose that there are 32 tablespoons of sugar in the vat at t = present 4 minutes later? 0. How many tablespoons will be tablespoons
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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Question

Transcribed Image Text:Suppose:
• The vat contains 270 gallons of liquid, which
•
•
.
never changes.
Sugar water with a concentration of 10
tablespoons/gallon flows through pipe A into
the vat at the rate of 30 gallons/minute.
Sugar water with a concentration of 8
tablespoons/gallon flows through pipe B into
the vat at the rate of 35 gallons/minute.
• The liquid in the vat is kept well-mixed.
Sugar water leaves the vat through pipe C at
the rate of 65 gallons/minute.
Let S(t) represent the number of tablespoons of
sugar in the vat at time t, where t is given in
minutes.
(A) Write the DE model for the time rate of change of
sugar in the vat:
dS
dt
(B) Solve the differential equation to find the amount
of sugar in the vat as a function of time. Your
function will have an arbitrary constant K in it.
Assume that K > 0.
S(t) =
(C) Suppose that there are 32 tablespoons of sugar in
the vat at t =
present 4 minutes later?
0. How many tablespoons will be
tablespoons

Transcribed Image Text:Suppose:
• The vat contains 270 gallons of liquid, which
•
•
.
never changes.
Sugar water with a concentration of 10
tablespoons/gallon flows through pipe A into
the vat at the rate of 30 gallons/minute.
Sugar water with a concentration of 8
tablespoons/gallon flows through pipe B into
the vat at the rate of 35 gallons/minute.
• The liquid in the vat is kept well-mixed.
Sugar water leaves the vat through pipe C at
the rate of 65 gallons/minute.
Let S(t) represent the number of tablespoons of
sugar in the vat at time t, where t is given in
minutes.
(A) Write the DE model for the time rate of change of
sugar in the vat:
dS
dt
(B) Solve the differential equation to find the amount
of sugar in the vat as a function of time. Your
function will have an arbitrary constant K in it.
Assume that K > 0.
S(t) =
(C) Suppose that there are 32 tablespoons of sugar in
the vat at t =
present 4 minutes later?
0. How many tablespoons will be
tablespoons
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