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Consider coaxial, parallel, black disks separated a distance of 0.20 m. The lower disk of diameter 0.40 m is maintained at 500 K and the surroundings are at 300 K. What temperature will the upper disk
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Consider coaxial, parallel, black disks separated a distance of 0.20 m. The lower disk of diameter 0.40 m is maintained at 500 K and the surroundings are at 300 K. What temperature will the upper disk of diameter 0.20 m achieve if electrical power of 17.5 W is supplied to the heater on the back side of the disk?

User Paul Brauner
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In this picture is the answer

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Consider coaxial, parallel, black disks separated a distance of 0.20 m. The lower-example-1
Consider coaxial, parallel, black disks separated a distance of 0.20 m. The lower-example-2
User Lizzy
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