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The gravitational force between two masses is directly proportional to the product of the two masses and inversely proportional to the square of the distanc...
A standing wave is the interference of two sinusoidal waves travelling in opposite directions, confining the wave and its energy to a fixed position, creating nodes and anti nodes . nodes - points w...
High energy electrons are fired at a target. When the electrons interact with the atoms in the target two things can happen. The first process is called breaking radiation and occurs when the electron is ...
Evaporation occurs when the most energetic particles in a liquid have enough energy to overcome the attractive intermolecular bonds and leave the liquid. Because only the hughest energy particles evaporat...
Refraction is what occurs when light passes from one medium to another (for example, air to water) and because of the difference in the medium, the speed changes. This change in speed of light causes it t...
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