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3. On a hot Saturday morning while people are working inside, the air conditioner keeps the temperature inside the building at 24C. At noon the

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3. On a hot Saturday morning while people are working inside, the air conditioner keeps the temperature inside the building at 24C. At noon the air conditioner is turned off, and the people go home. The temperature outside is a constant 35C for the rest of the aemoon. If the time constant for the building is 4 hr, what will be the temperature inside the building at 2:00 pm? At 6:00 pm? When will the temperature inside the building reach 27C

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