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# Answer: Suppose you have just poured a cup of freshly brewed coffee with temperature in

ISBN: 9780538497909 332

## Solution for problem 14 Chapter 9.1

Calculus: Early Transcendentals | 7th Edition

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Problem 14

Suppose you have just poured a cup of freshly brewed coffee with temperature in a room where the tempera ture is . (a) When do you think the coffee cools most quickly? What happens to the rate of cooling as time goes by? Explain. (b) Newtons Law of Cooling states that the rate of cooling of an object is proportional to the temperature difference between the object and its surroundings, provided that this difference is not too large. Write a differential equation that expresses Newtons Law of Cooling for this particular situation. What is the initial condition? In view of your answer to part (a), do you think this differential equation is an appropriate model for cooling? (c) Make a rough sketch of the graph of the solution of the initial-value problem in part (b).

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Week 1 Aug 29- Sept 2 Syllabus Monday, Aug 29- ★ We did an exercise where we had to interpret sign language and communicate with drawings. ★ We discussed the syllabus (found on Blackboard). Wednesday, Sept 1- ★ Chapter 4 reading due in class ○ We started with chapter 4 because the family...

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Answer: Suppose you have just poured a cup of freshly brewed coffee with temperature in

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