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#### Concept explainers

**Newton’s Law of Cooling**. A cup of hot coffee has a temperature of

Assume that Newton’s law of cooling applies. Write down an initial value problem that models the temperature of the coffee.

Determine when the coffee reaches a temperature of

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# Chapter 1 Solutions

Differential Equations: An Introduction to Modern Methods and Applications

# Additional Math Textbook Solutions

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- Define Newton’s Law of Cooling. Then name at least three real-world situations where Newton’s Law of Cooling would be applied.
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