# Zai

- Study Material
## Three-dimensional waves: concept, types and examples

We explain the Three-dimensional waves with concept, types and examples. Three-dimensional waves are those that propagate in space, for example the…

Read More » ## Linear waves: concept, characteristics, examples

We explain the Linear waves with concept, characteristics and examples. The linear waves are those in which the superposition principle applies,…

Read More »## Plane mirrors: equation, behavior, graphs

We explain the Plane mirrors with equation, behavior and graphs. The flat mirrors are flat and polished surfaces on which…

Read More »## Differences between speed and Velocity with table and examples

We explain the differences between speed and Velocity with table and examples. The differences between speed and Velocity exist, although…

Read More »## Geometric optics: what it studies, laws, applications, exercises

We explain Geometric optics and what it studies, laws, applications and exercises. The geometrical optics is the branch of physics…

Read More »## Angular moment (Angular Momentum): quantity, conservation, examples, exercises

We explain the angular moment with quantity, conservation, examples and exercises. The angular moment or angular momentum is, for the movement…

Read More »## Concave mirror: characteristics, examples, applications

We explain Concave mirror with characteristics, examples and applications. The concave or convergent mirror is a mirror with almost always…

Read More »## Convex mirror: concept, characteristics, examples

We explain the convex mirror with concept, characteristics and examples. The convex or divergent mirror is a curved mirror, almost…

Read More »## Galileo Galilei and his law of free fall

We explain the Galileo Galilei and his law of free fall. The law of free fall of Galileo Galilei states…

Read More »## Unit vectors: characteristics, how to get it, examples

We explain that what are unit vectors? with characteristics. how to get it and examples. The unit vectors are those whose…

Read More »## Translational equilibrium: conditions, examples, exercises

We explain the translational equilibrium with conditions, examples and exercises. It is stated that an object is in translational equilibrium…

Read More »## What are the Elements of the Universe?

We explain that what are the Elements of the Universe? The elements of the universe were formed, according to cosmologists, during…

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