Writing Homework Help

for this project, I already have a topic and 3 pages paper(but not follow the requirement), I want to rewrite this paper and following the topic which is pendulum. the final work should around 8 – 10 pages. (with graph, so it means less words)

For the project this semester, you will choose a physical, biological, economic, or social system that can be modeled by a linear, constant coefficient 2-by-2 system of differential equations. Your project will have two main pieces: — I want to discuss pendulum