Kinetic energy

... part driven by electronic interactions (though other factors, such as kinetic energy and entropy change, also play a role). Take a look at the "Visualizing surface ...

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... occur. Increasing the temperature, corresponding to a greater average kinetic energy of molecules, is one way of achieving the forceful jamming together that causes a reaction; ...

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Calculate the amount of energy per photon. E = h*nu. Convert using E=1/2 mv^2. Energy of photon = Energy needed to remove an electron + Kinetic energy of the emitted electron http://en.wikipedia.org/wiki/Photoelectric_effect

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... I have no idea how to approach this question. Any insight? The minimum energy for photoemission of electrons from a potassium surface is 3.69x10-19 J. What is the kinetic energy of electrons emitted from a potassium surface when it is irradiated by UV ...

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... keeps dropping as it goes further away from the heart because it loses kinetic energy with distance increase. Furthermore blood flowing from the lower limbs back to heart ...

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