II. a. At 2:00 pm, a thermometer reading 75°F is taken outdoors where the temperature is -15°F. At 2:08 PM, the reading is 21°F. At 2:12 PM, the thermometer is taken back indoors where the air is at 75°F. What is the thermometer reading at 2:15 PM?

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 by Newton’s Law of Cooling.

 

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II. a. At 2:00 pm, a thermometer reading 75°F is taken outdoors where the
temperature is -15°F. At 2:08 PM , the reading is 21°F. At 2:12 PM, the
thermometer is taken back indoors where the air is at 75°F. What is the
thermometer reading at 2:15 PM?
Transcribed Image Text:II. a. At 2:00 pm, a thermometer reading 75°F is taken outdoors where the temperature is -15°F. At 2:08 PM , the reading is 21°F. At 2:12 PM, the thermometer is taken back indoors where the air is at 75°F. What is the thermometer reading at 2:15 PM?
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