Two rooms, each a cube 4.8 m per side, share a 15-cm - thick brick wall. Because of a number of 100-W lightbulbs in one room, the air is at 30\deg C, while in the other room it is at 10\deg C. How many of the 100-W bulbs are needed to maintain the temperature difference across the wall?
Two rooms, each a cube 4.8 m per side, share a 15-cm - thick brick wall. Because of a number of 100-W lightbulbs in one room, the air is at 30\deg C, while in the other room it is at 10\deg C. How many of the 100-W bulbs are needed to maintain the temperature difference across the wall?
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![Two rooms, each a cube 4.8 m per side, share a 15 - cm
- thick brick wall. Because of a number of 100 - W
lightbulbs in one room, the air is at 30\deg C, while in
the other room it is at 10\deg C. How many of the
100-W bulbs are needed to maintain the temperature
difference across the wall?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F309e64a1-6668-4ab6-8110-0b0017240a03%2Fdce18bee-5b1e-4538-9966-5699d67a70f1%2Fabuiy1m_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Two rooms, each a cube 4.8 m per side, share a 15 - cm
- thick brick wall. Because of a number of 100 - W
lightbulbs in one room, the air is at 30\deg C, while in
the other room it is at 10\deg C. How many of the
100-W bulbs are needed to maintain the temperature
difference across the wall?
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