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The temperature of the glass surface of a 60 W lightbulb is 67^\circ C when the room temperature is 17^\circ C.Estimate the temperature of a 160 W...

The temperature of the glass surface of a 60 W lightbulb is 67^circ C when the room temperature is 17^circ C.Estimate the temperature of a 160 W lightbulb with a glass bulb the same size. Consider only radiation, and assume that 90 % of the energy is emitted as heat.

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