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"Ohm's law defines a concrete relationship between potential difference and current flow. This relationship is satisfied by all ohmic materials according to the equation potential difference = - curre ...
Video Física
"Nuclear reactions differ from other chemical reactions in that they involve changing the structure of the nucleus. Types of nuclear reactions include alpha decay, beta decay and gamma decay. Often pa ...
Video Física
"Bernoulli's Principle replaces Pascal's Principle and liquid pressure for flowing fluid. It states that as you increase a fluid's speed, you decrease its the pressure that fluid exerts. Stagnant flui ...
"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 ...
"A barometer is a device used to measure pressure. Gauge pressure is the difference between a pressure and atmospheric pressure. Gauge pressure can be negative while total pressure cannot." Fuente: Br ...
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 ...
"Net force, also known as resultant force, is a vector quantity produced when two or more forces act upon one object. The concept of net force is the same as the mathematical concept of vector additio ...
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 ...
Video Física
"Atomic orbitals are regions of space in which electrons can be found. Each orbital can fit two electrons and different orbitals have different shapes. The s sub-level has one spherically shaped orbit ...
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