13. A hot cup of coffee initially at 95°C cools to 80°C in 5 min while sitting in a room of temperature 21 C. Using just Newton's law of cooling, determine when the temperature of the coffee will be a nice 50 C?
13. A hot cup of coffee initially at 95°C cools to 80°C in 5 min while sitting in a room of temperature 21 C. Using just Newton's law of cooling, determine when the temperature of the coffee will be a nice 50 C?
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:13. A hot cup of coffee initially at 95°C cools to 80°C in 5 min while sitting in a room of
temperature 21 C. Using just Newton's law of cooling, determine when the temperature
of the coffee will be a nice 50 C?
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