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I’m writing a paper on the applications of linear differential equations[undergraduate level] could be in physics, chemistry, engineering, business..etc, since I am fairly new to doing research, can someone help me by giving ideas as to what applications would be good to include. thanks

user1551
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sara132
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    maybe this will be helpfull

    http://work.colum.edu/~cshaw/old/class_221/lecture_10.4.pdf

    – pw1822 Feb 10 '15 at 20:51
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    @sara132: http://www.engr.sjsu.edu/trhsu/Chapter%203%20First%20order%20DEs.pdf, http://www.terpconnect.umd.edu/~lvrmr/2012-2013-F/Classes/MATH246/NOTES/FirstEqn2.pdf, http://ask.fxplus.ac.uk/tools/HELM/pages/workbooks_1_50_jan2008/Workbook19/19_4_applications_diffrntl_eqns.pdf – Amzoti Feb 11 '15 at 02:35

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The second-order ordinary differential equation $$\ddot{x}+2\,p\,\dot{x}+\omega^2x=f(t)$$ describes damped forced vibrations of mass-spring systems, which is quite a topic in mechanics and has an application in automotive engineering, hopefully interesting for your purpose.


Another popular ODE, of order $1$ but non-linear, describes a model of population growth and is called logistic equation.

MattAllegro
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Kepler's laws of planetary motion can be derived from Newton's law of gravitation and newtons laws of motion and solving the differential equations