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Sunlight-powered device set to change world: will it work? [closed]
Vast areas of desert sand are being shone on upon by the sun. Now that's some ENERGY!
Using this proposed apparatus:
Sunlight over large area is concentrated on steam chamber, where water turns into ...
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Statistical Mechanics: Particles on a Sphere
$K$ identical particles of mass $m_0$ are bound to move on a sphere of radius R. The system is at equilibrium at temperature $T_0$.
1 - What's the internal energy ($E$)?
2 - What's the specific heat ...
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