Physics, 27.11.2019 00:31 micheleflorack
Model the concrete slab as being surrounded on both sides (contact area 24 m2) with a 2.1-m-thick layer of air in contact with a surface that is 5.0 ∘c cooler than the concrete. at sunset, what is the rate at which the concrete loses thermal energy by conduction through the air layer?
Answers: 1
thickness of the layer of air, 
temperature difference between the air and the concrete, 
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Model the concrete slab as being surrounded on both sides (contact area 24 m2) with a 2.1-m-thick la...
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