Posts tagged PHYS
Kinematics

Method for Solving Kinematic Equations

  1. Draw a picture!

  2. Write down every variable you know, and every variable you don’t know / want to find. Sometimes known variables are super obvious (e.g. if a ball is launched horizontally, then you know that its starting y-velocity, v_y0 = 0)

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Vectors

A vector is just an arrow from the origin to a point. It has magnitude (how big it is) and direction (which way it’s pointing). A variable will have an arrow above it if it’s a vector!

Vectors can be in any number of dimensions

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