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Video Química
"An object's internal energy is the kinetic energy from the random motion of the particles within it and the potential energy from movement of electrons in its atoms. Generally internal energy is repr ...
Video Química
"Intermolecular forces are forces that hold two molecules together. Dispersion forces (also called Van der Waals Forces) act on all molecules and are the only forces between two non-polar molecules. T ...
"The tangent identity is tan(theta)=sin(theta)/cos(theta), which means that whenever sin(theta)=0, tan(theta)=0, and whenever cos(theta)=0, tan(theta) is undefined (dividing by zero). When the tangen ...
Video Física
"Transverse waves are waves which move particles in a direction perpendicular to the direction of a wave. An example of transverse waves are ocean waves in which water moves up and down, but does not ...
Video Química
"Transmutation is the conversion of an atom of one element to an atom of another through nuclear reactions. Induced nuclear transmutation is transmutation which is induced by scientists by striking th ...
Video Biología
"The integumentary system is comprised of skin, hair, scales, feathers and nails. The integumentary system protects the body from physical damage and it is the largest organ system, mostly due to the ...
"Transformers are used to change one current into another current. Step up transformers increase the voltage of the current while step down transformers decrease the voltage. In power transmission, wh ...
Video Física
"Insulators, also called dielectrics, don't conduct charge. In insulators, there is no conduction band so charge does not move to any appreciable extent. Dialectric strength, also called breakdown v ...
"Torque, also called movement of force, measures how much a force rotates an object around an axis. Torque is the cross product of the force vector and the vector of the distance from the axis. The fo ...
"Instantaneous velocity is the velocity of an object in motion at a specific point in time. This is determined similarly to average velocity, but we narrow the period of time so that it approaches zer ...
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