A thermometer reading 18°F is brought into a room, the temperature of which is 70°F. One minute later, the thermometer reading is 31°F. Find the temperature reading 5 minutes after it was brought into the room. At what time will the temperature reading be 67.8°F? Hint: cooling:=-k(T - Tm); heating: = k(Tm − 7); temp at time t: T = Tm + (To − Tm) e-kt
A thermometer reading 18°F is brought into a room, the temperature of which is 70°F. One minute later, the thermometer reading is 31°F. Find the temperature reading 5 minutes after it was brought into the room. At what time will the temperature reading be 67.8°F? Hint: cooling:=-k(T - Tm); heating: = k(Tm − 7); temp at time t: T = Tm + (To − Tm) e-kt
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter4: Exponential And Logarithmic Functions
Section4.CR: Chapter Review
Problem 13CC: Suppose that the initial mass of radioactive substance is m0 and the half-life of the substance is...
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