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Differential Equations
Differential Equations
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Page (9 of 15) Exercises:   1    2    3    4    5    6    7    8    9    10    11    12    13    14    15  
Exercise 9

Cookies are placed in a 375°F degree oven to bake. Newton's Law of Heating (link forward) says that the temperature t of the cookies will increase at a rate proportional to the difference between the temperature of the surrounding oven and the temperature of the cookies. If we model this situation by the differential equation

is the constant k positive or negative?

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