As a high school project I became interested in falling papers and leaves so I've done a lot of experiments about it and read some articles about it. I became very interested in the article that I have attached to this post. So I want to numerically integrate 'equations (4)' in the second page of this article. If someone can please help me with that. I really appreciate if you could please let me know how can I do that. I can solve basic differential equations I also know that with NIntegrate command you can numerically integrate a function but I am not very comfortable with the equations in this paper so I don't know how can I out them in Mathematica.Please help me. I really appreciate it.
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Attachment: Behavior of a Falling Paper.pdf, URL: ,