Unit 3: VectorsReference > Science > Physics > Study Guide
A brief explanation of vectors; what they are, and how they are used
How to add and subtract vectors, including angles that are collinear, at right angles, or at oblique angles
How to multiply vectors - including an explanation of both dot products and cross products
Physics problems involving vector addition. Equilibrium problems and non-equilibrium problems.
Understanding Coronavirus Spread
A Question and Answer session with Professor Puzzler about the math behind infection spread.
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