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Ciencias Naturales (435)
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Video Física
"Many students call centripetal force centrifugal force, but the two are not the same. Centrifugal force is the reaction to centripetal force as explained by Newton's Third Law of Motion, but it is on ...
Video Física
"The center of mass is often times called the center of gravity. The center of mass is also known as the point of an objects positional mass. " Fuente: BrightStormCenter of Mass es un recurso educativ ...
Video Física
"If an object moving forward in a straight line is affected by gravity it will fall in a parabolic arc. Since projectiles are objects affected only by gravity, the path of a projectile moving forward ...
"Boiling is the transition of a substance from the liquid to gaseous state of matter. When a liquid boils, its vapor pressure equals the atmospheric pressure. At high altitudes, liquids boil at a much ...
Video Física
"Black holes are formed when extremely large star dies. When a star dies, it first expands, then contracts. Large stars contract until their atoms collapse, pulling the electrons into the nucleus. The ...
Video Física
"Orbital diagrams are pictorial descriptions of the electrons in an atom. Three rules are useful in forming orbital diagrams. According to the Auf Bau Principle, each electron occupies the lowest ener ...
"Newton's Law of Universal Gravitation says that everything with massive particle in the universe attracts all other massive particles. This force is called gravity. The force of gravity = universal g ...
Video Física
"When the torques on either side of a fulcrum are equal, they are called balanced torques. A common example of balanced torques is two children on a see-saw. If the fulcrum is in the center of the see ...
Video Matemáticas
"The average velocity of an object over a given period of time is found by dividing the distance it has traveled by the time elapsed. Because velocity refers to the rate at which an object changes pos ...
Video Física
"Speed refers to the rate at which an object travels. Unlike velocity, speed is a scalar quantity so direction does not matter. Average speed is calculated by dividing distance by time (e.g. miles/hou ...
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