If a cup of coffee has temperature 100°C in a room where the ambient air temperature is 20°C, then, according to Newton's Law of Cooling, the temperature of the coffee after t minutes is T(t) 20 + 80e / 50. What is the average temperature of the coffee during the first 40 minutes? %3D average temp =

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Author:James Stewart
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Chapter1: Functions And Models
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If a cup of coffee has temperature 100°C in a room where the ambient air temperature is 20°C, then,
according to Newton's Law of Cooling, the temperature of the coffee after t minutes is
T(t) = 20 + 80e¯t/50. What is the average temperature of the coffee during the first 40 minutes?
%3D
average temp =
Transcribed Image Text:If a cup of coffee has temperature 100°C in a room where the ambient air temperature is 20°C, then, according to Newton's Law of Cooling, the temperature of the coffee after t minutes is T(t) = 20 + 80e¯t/50. What is the average temperature of the coffee during the first 40 minutes? %3D average temp =
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