On a hot Saturday morning while people are working inside, the air conditioner keeps the temperature inside the building at 21°C. At noon the air conditioner is turned off, and the people go home. The temperature outside is a constant 33°C for the rest of the afternoon. If the time constant for the building is 3 hr, what will be the temperature inside the building at 2:00 P.M.? At 6:00 P.M.? When will the temperature inside the building reach 25°C? At 2:00 P.M., the temperature inside the building will be about 26.8 °C. (Round to the nearest tenth as needed.) At 6:00 P.M., the temperature inside the building will be about 31.4 °c. (Round to the nearest tenth as needed.) The temperature inside the building will reach 25°C about 1.1 hr after noon. (Round to the nearest tenth as needed.)
On a hot Saturday morning while people are working inside, the air conditioner keeps the temperature inside the building at 21°C. At noon the air conditioner is turned off, and the people go home. The temperature outside is a constant 33°C for the rest of the afternoon. If the time constant for the building is 3 hr, what will be the temperature inside the building at 2:00 P.M.? At 6:00 P.M.? When will the temperature inside the building reach 25°C? At 2:00 P.M., the temperature inside the building will be about 26.8 °C. (Round to the nearest tenth as needed.) At 6:00 P.M., the temperature inside the building will be about 31.4 °c. (Round to the nearest tenth as needed.) The temperature inside the building will reach 25°C about 1.1 hr after noon. (Round to the nearest tenth as needed.)
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:On a hot Saturday morning while people are working inside, the air conditioner keeps the temperature inside the building at 21°C. At noon the air conditioner is turned
off, and the people go home. The temperature outside is a constant 33°C for the rest of the afternoon. If the time constant for the building is 3 hr, what will be the
temperature inside the building at 2:00 P.M.? At 6:00 P.M.? When will the temperature inside the building reach 25°C?
At 2:00 P.M., the temperature inside the building will be about 26.8 °C.
(Round to the nearest tenth as needed.)
At 6:00 P.M., the temperature inside the building will be about 31.4 °C.
(Round to the nearest tenth as needed.)
The temperature inside the building will reach 25°C about 1.1 hr after noon.
(Round to the nearest tenth as needed.)
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