problem17_p117

University Physics with Modern Physics with Mastering Physics (11th Edition)

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17.117 : The rate at which the helium evaporates is the heat gained from the surroundings by radiation divided by the heat of vaporization. The heat gained from the surroundings come from both the side and the ends of the cylinder, and so the rate at which the mass is lost is ( 29 ( 29 ( 29 v 4 4 s 2 2 2 L T T σe
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Unformatted text preview: d π d hπ-+ ( 29 ( 29 ( 29 ( 29 ( 29 ( 29 ( 29 ( 29 ( 29 kg J 10 09 . 2 K 22 . 4 K 3 . 77 K m W 10 67 . 5 200 . m 045 . 2 m 090 . m 250 . 4 4 4 4 2 8 2 × -⋅ × × + =-π π s, kg 10 62 . 1 6-× = which is h. g 82 . 5...
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This document was uploaded on 02/05/2008.

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