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An iron sphere has a radius of 0.7 meters and its surface temperature is 400 K....

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Physics

An iron sphere has a radius of 0.7 meters and itssurface temperature is 400 K. It is surrounded by air whosetemperature is 300 K. The emissivity of iron and air is 0.985. to.Find the heat flux that is emitted by radiation from the ironsphere. b. Find the net flow of heat from the iron sphere.

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The StefanBoltzmann equation which describes the rate oftransfer of radiant energy is as follows for an object in a vacuumwhere heat    See Answer
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