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Lecture 5

More on 1d motion with constant acceleration

• Derivations on kinematic equations based on calculus
• HW2-20 Two body collisions

Vectors:

• Addition and subtraction – Method of parallelogram
• Dot product. Application: Law of cosine
• Cross product (Please read on your own)

Projectile trajectory

1. x-motion
2. y-motion

Variations of R and h as a function of q, while keeping v₀ fixed.

To do list:

• Read chapters 3, 4

• Homework: Complete hw2. Work on hw3: Questions 1-10.

Reminder: Tuesday’s Instructor’s informal section – RAS 218, 3:30-4:20 pm.