a) A cup of coffee has temperature 95 C and takes 30
Chapter 6, Problem 6.242(choose chapter or problem)
a) A cup of coffee has temperature 95 C and takes 30 minutes to cool to 61 C in a room with temperature 20 C. Use Newtons Law of Cooling (Section 3.8) to show that the temperature of the coffee after minutes is where . (b) What is the average temperature of the coffee during the first half hour?
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