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6) At 4:00PM, a thermometer reading of 28°C is taken outside where the ambient temperature is -11°C. At 4:05PM, the thermometer reads 8 degrees above zero. After a while, the thermometer is returned to the room maintained at 28°C. At 4:12PM, the thermometer reads 15°C. When was the thermometer returned to the room?

6) At 4:00PM, a thermometer reading of 28°C is taken outside where the ambient temperature is -11°C. At 4:05PM, the thermometer reads 8 degrees above zero. After a while, the thermometer is returned to the room maintained at 28°C. At 4:12PM, the thermometer reads 15°C. When was the thermometer returned to the room?

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter8: Areas Of Polygons And Circles
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Using Newton's law of cooling answer the following:

6) At 4:00PM, a thermometer reading of 28°C is taken outside where the ambient temperature is -11°C. At 4:05PM, the thermometer reads 8 degrees above zero. After a while, the thermometer is returned to the room maintained at 28°C. At 4:12PM, the thermometer reads 15°C. When was the thermometer returned to the room?
Transcribed Image Text:6) At 4:00PM, a thermometer reading of 28°C is taken outside where the ambient temperature is -11°C. At 4:05PM, the thermometer reads 8 degrees above zero. After a while, the thermometer is returned to the room maintained at 28°C. At 4:12PM, the thermometer reads 15°C. When was the thermometer returned to the room?
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