Using the attached problem and solution as a format, find the differential equation for: A tank contains 90 kg of salt and 1000 L of water. Pure water enters a tank at the rate 6L/min. The solution is mixed and drains from the tank at the rate 8L/min. Type your final answer.
Using the attached problem and solution as a format, find the differential equation for: A tank contains 90 kg of salt and 1000 L of water. Pure water enters a tank at the rate 6L/min. The solution is mixed and drains from the tank at the rate 8L/min. Type your final answer.
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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Using the attached problem and solution as a format, find the
A tank contains 90 kg of salt and 1000 L of water. Pure water enters a tank at the rate 6L/min. The solution is mixed and drains from the tank at the rate 8L/min.
Type your final answer.
Transcribed Image Text:A tank contains 50 kg of salt and 1000 L of water. Pure water enters a tank at the rate 10 L/min. The
solution is mixed and drains from the tank at the rate 12 L/min.
Let y be the number of kg of salt in the tank after t minutes.
The differential equation for this situation would be:
dy
-y(12)
dt
1000 – 2t
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