BY的物理筆記
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###### tags: `physics`
牛頓力學
---
- [含阻力之自由落體](https://hackmd.io/@by-debug/freefall)
- 帕普斯──古丁爾定理
拉格朗日力學
---
- [變分法入門](https://hackmd.io/@by-debug/variational_principle)
<h1>
測試
</h1>
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