Question: Discuss why a 1-ft2 hole in a ceiling that admits sunlight when the Sun is overhead is like having a 100-W bulb in the room.

Discuss why a 1-ft2 hole in a ceiling that admits sunlight when the Sun is overhead is like having a 100-W bulb in the room. Assume the atmosphere reduces solar energy at Earth's surface as 1.0 kW/m2.

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