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The air in a room 15 ft by 8 ft by 8 ft is 4% carbon monoxide. Starting at t=0, fresh air containing no carbon monoxide is blown into the room at a rate of 100 ft/min. If air in the room flows out through vent at the same rate, when will the air in the room be 0.01% carbon monoxide?

The air in a room 15 ft by 8 ft by 8 ft is 4% carbon monoxide. Starting at t=0, fresh air containing no carbon monoxide is blown into the room at a rate of 100 ft/min. If air in the room flows out through vent at the same rate, when will the air in the room be 0.01% carbon monoxide?

Advanced Engineering Mathematics
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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The air in a room 15 ft by 8 ft by 8 ft is 4% carbon monoxide. Starting at t=0, fresh air containing no carbon monoxide is blown into the room at a rate of 100 ft³/min. If air in the room flows out through a vent at the same rate, when will the air in the room be 0.01% carbon monoxide?
Transcribed Image Text:The air in a room 15 ft by 8 ft by 8 ft is 4% carbon monoxide. Starting at t=0, fresh air containing no carbon monoxide is blown into the room at a rate of 100 ft³/min. If air in the room flows out through a vent at the same rate, when will the air in the room be 0.01% carbon monoxide?
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