Math Problem Statement
After sitting in a refrigerator for a while, a turkey at a temperature of 34, degrees34∘F is placed on the counter and slowly warms closer to room temperature (72, degrees72∘F). Newton's Law of Heating explains that the temperature of the turkey will increase proportionally to the difference between the temperature of the turkey and the temperature of the room, as given by the formula below:
T, equals, T, start subscript, a, end subscript, plus, left parenthesis, T, start subscript, 0, end subscript, minus, T, start subscript, a, end subscript, right parenthesis, e, start superscript, minus, k, t, end superscript
T=Ta+(T0−Ta)e−kt
T, start subscript, a, end subscript, equalsTa= the temperature surrounding the object T, start subscript, 0, end subscript, equalsT0= the initial temperature of the object t, equalst= the time in minutes T, equalsT= the temperature of the object after tt minutes k, equalsk= decay constant
The turkey reaches the temperature of 41, degrees41∘F after 35 minutes. Using this information, find the value of kk, to the nearest thousandth. Use the resulting equation to determine the Fahrenheit temperature of the turkey, to the nearest degree, after 80 minutes.
Enter only the final temperature into the input box.
Solution
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Math Problem Analysis
Mathematical Concepts
Exponential Decay
Newton's Law of Heating
Logarithms
Formulas
T(t) = Ta + (T0 - Ta)e^(-kt)
k = -(ln(T(t) - Ta)/(T0 - Ta))/t
Theorems
Newton's Law of Cooling/Heating
Suitable Grade Level
Grades 10-12
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