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Physics, 22.06.2019 13:30
6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.
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Physics, 22.06.2019 17:20
Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.
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Physics, 23.06.2019 04:31
What caused magnetic fields? what happens if you keep breaking a magnet in two until you reach a single atom?
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you are on the airplane, about to fly to an exotic location. How do acceleration, speed and inertia...
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