Lab 2.1: Two Magnets and a Spring
Before any of the items may be completed, the given differential equation (DE) should be
modified into a system of first order DEs to make computation easier; however, the original
second order equation establishes an imp
MAT 304 SPRING 15
PRACTICE PROBLEMS
DR. SAHIN
1. Constant coefficient, linear, second order equations
We have been studying dierential equations of the form
ay + by + cy = 0
as models for the harmonic oscillator. Recall that in this context all coecients
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MAT 304 SPRING 15
HOMEWORK 7
DR. SAHIN
This homework is due at the beginning of class on Wednesday, May 20th.
Section 2.1: 1-6,8,9,10,15,16,19-22
Section 2.2: 1,2,4,7,8,9,10,11
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ANSWER KEY FOR MIXING PROBLEMS ON THE REVIEW SHEET
Problems from the text: 24) The tank is full when t = 15 and the amount of salt
0.25
at that time is 51 lbs. 26) a) You need t = 95 and you should get ln 20 . b) The
2
question can be rephrased as: can we
MAT 304 SPRING 2015
PROJECT DESCRIPTION
DR. SAHIN
1. General Instructions
This project is due on Monday, June 8th. Your project needs to be typed and handed in
via dropbox on D2L. Microsoft Word has an equation editor which is very simple to use.
If you a
MAT 304 SPRING 15
HOMEWORK 6
DR. SAHIN
This homework is due at the beginning of class on Wednesday, May 13th.
Section 1.8: 15,16,18,30
Section 1.9: 14,16,20,21
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