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2008-11-19 Thermodynamics - thermodynamics: Hi Rannoch, 1. The percentage of heat that is generated by friction will depend on the geometry of the system. The cylinder walls will become hotter than the gas. Heat moves from colder to hotter objects...
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2008-11-18 Thermodynamics - Magnesium Combustion: Hi Ted, The flame temperature for magnesium burning in air is quoted as 2500K. At this temperature there is a lot of UV light and safety requires UV filters (safety specs) to be worn. If you assume...
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2008-11-18 Thermodynamics - que: Hi Pooja, Tough one to guess. However the known laws of physics have applied to the generation, cooling and capture, if only briefly, of antimatter. This being the case it seems likely to me that the...
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2008-11-18 Thermodynamics - heat: Hi Pooja, Ask your friend to tell you how long it will take a 1kW kettle to boil off 2 kg of steam starting from the point where the kettle just boils and assuming other losses are less than 0.44%....
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2008-11-18 Thermodynamics - colder bodies: Hi Nain, Temperature is an effect of motion in atoms. Atoms and molecules (collections of atoms) buzz about like mad things and the hotter they are the faster they travel and the more often they bash...
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