Lecture notes
Lecture 1, Sep. 22: What to learn? Particles, dimensions. Vectors and (orthogonal) matrices.
Lecture 2, Sep. 27: Newton's laws. Air resistance. (Qs)
Lecture 3, Sep. 29: Perturbation. Air resistance. (Qs)
Appendices
Perturbation: Page 5 and examples are important.