(Answered) An ipod is left running inside a thin insulating case 25mm

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An iPod is left running inside a thin insulating case 2.5mm thick with thermal condoctivity of 0.02WK^-1 m^-1 The case is black and at 25 degrees Celsius and exchanges energy with it's surroundings, all of which are at 20 degrees Celsius, by radiation alone. What is the temperature inside the case?

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