At 7:00 AM, a thermometer reading 70 degrees Celsius is taken outside where the air temperature is -10 degrees Celsius. At 7:02 AM, the reading is 26 degrees Celsius. At 7:05 AM, the thermometer is taken back indoors where the air is 70 degrees Celsius. What is the thermometer reading at 7:09 AM?

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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solve in differential equation
At 7:00 AM, a thermometer reading 70 degrees
Celsius is taken outside where the air
temperature is -10 degrees Celsius. At 7:02 AM,
the reading is 26 degrees Celsius. At 7:05 AM,
the thermometer is taken back indoors where the
air is 70 degrees Celsius. What is the
thermometer reading at 7:09 AM?
Transcribed Image Text:At 7:00 AM, a thermometer reading 70 degrees Celsius is taken outside where the air temperature is -10 degrees Celsius. At 7:02 AM, the reading is 26 degrees Celsius. At 7:05 AM, the thermometer is taken back indoors where the air is 70 degrees Celsius. What is the thermometer reading at 7:09 AM?
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