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Home Q & A Board Science-Related Homework Help Physics
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Brelou Brelou
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7 years ago
A blacksmith is flattening a steel plate, 10 cm × 15 cm × 1 mm. He has heated the plate to 900 K. If the emissivity of the plate is 0.75, what is the total rate of radiation of energy? The Stefan-Boltzmann constant is 5.67 x 10-8 W/(m2•K4).  Ignore heat exchange with the surroundings.
A) 360 W
B) 760 W
C) 790 W
D) 850 W
E) 880 W
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Physics

Physics


Edition: 4th
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Quantum physics thus reveals a basic oneness of the universe.
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Raj.SRaj.S
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7 years ago
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