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The photoelectric effect is the stimulated emission of electrons from a (generally metallic) material upon irradiation with light of sufficient energy (light of a short enough wavelength). The incident ph...
This is an application to Faraday's and Lenz' laws of electromagnetic induction. So as the magnet moves into the coil, the magnetic field from the magnet moves through the coil, therefore there is a chang...
The derivative of distance with respect to time is velocity.
To understand why the water evaporates, we need to know what we mean when we say something has a certain temperature. Temperature is proportional to the average kinetic energy of the microscopic molecules...
The key to this question is realising that the action and corresponding reaction refer to forces that act on different objects. When I push the box, I exert a force on the box. As a result of thi...
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