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Video Física
"Resistance is the relationship between potential difference and electric current generated. High resistance needs a large potential difference to generate an appreciable current. Electrons will gener ...
Video Física
"The motion of any object is only meaningful when given relative to something else. Relativity in motion assures us that the laws of Physics don't vary depending on how much inertia an object has. Thi ...
Video Física
"Regelation is the melting and freezing of a substance due to changes in pressure rather than temperature." Fuente: BrightStormRegelation es un contenido didáctico (en inglés) de ©Brightstorm, un espa ...
Hipervinculo Física
"Reflection and refraction occur when a light hits a boundary between two media with different light speeds. When the light is split, part of it will be reflected and another part will be refracted. W ...
Video Física
"Displacement is the change in a position vector. It is not the same as distance, which is a scalar measurement. The net vector of multiple displacment vectors if found according to the rules of vecto ...
Video Física
"Diffraction is the bending of a wave as it changes medium. Waves with small wavelengths, like light, show very little diffraction. Waves with large wavelengths like low pitched sound show major effec ...
Video Física
"RC circuits contain resistors and capacitors. Immediately after a switch is closed, completing the circuit, the capacitors behave like wires because they have a potential difference of zero. After ...
Video Física
"All lenses and mirrors can use ray diagrams to find images. There are three principal rays. The first principal ray occurs when the light comes in parallel to the principle axis, it goes out through ...
"Density is the compactness of mass. Density is expressed mathematically as mass over volume and in physics is expressed using the units kg/m^3." Fuente: BrightStormDensity es un contenido didáctico ( ...
Video Física
"Radioactive isotopes have unstable ratios of protons to neutrons in their atomic nuclei. An isotope is an element with a varying numbers of neutrons. Radioactive isotopes become more stable through n ...
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