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Tangential and normal components of acceleration (II)

Concept of tangential and normal components of acceleration (II)

Carnot´s ideal engine

The educational resource shows an interactive animation about the Carnot's engine: it is a theoretical model, not a real one, but we can already see in it the fundamental characteristics of real heat ...

Thermal equilibrium

The educational resource shows an interactive animation about the thermal equilibrium: when two substances at different temperatures are in contact, they exchange a certain amount of energy. One's tem ...

Which moves faster? (I)

Concept of which moves faster? (I)

Fixed stars

The educational resource shows a visual about fixed stars: today we know that the sun is no more than a star which is near to us. Stars like the sun, which are large gaseous spheres, of which 99% is h ...

Lunar phases

The educational resource shows a visual about lunar phases: the moon is a rocky sphere about four times smaller than the earth. Its different aspects (as seen from the earth) are known as lunar phases ...

Coefficient of dynamic friction

Concept of dynamic friction coefficient

Electric field intensity II

The educational resource shows a visual about the intensity of the electric field:What are the lines of force like in a field created by two electric charges?

Dimensional equation

Dimensional equation concept

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