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Huygens's Principle

Concept of Huygens' Principle

Dimensional equation

Dimensional equation concept

Gravitatonial potential energy

The educational resource shows a visual about gravitational potential energy: the calculation of gravitational potential energy is very easy for small heights, as it is given by the formula Ep=mgh, wh ...

Among Attraction masses (II)

Concept of attraction among masses

The energy of material systems

The educational resource shows how the energy is the capacity to produce changes in the environment by doing work or transferring heat. This means that when a body transfers heat or does work, its ene ...

The changing Earth

The educational resource shows a Flash animation about the greenhouse effect The Earth is an open material system, because it interchanges matter and energy with outer space.

SHM: velocity

Concept of SHM: velocity

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