The rate of cooling for a body is given by = k0, where k is a constant. If 0 = 60° dt when t= 2 minutes and 0 = 50° C when t= 5 minutes, determine the time taken for the temperature to fall to 40°C, correct to the nearest second.
The rate of cooling for a body is given by = k0, where k is a constant. If 0 = 60° dt when t= 2 minutes and 0 = 50° C when t= 5 minutes, determine the time taken for the temperature to fall to 40°C, correct to the nearest second.
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter4: Numerical Analysis Of Heat Conduction
Section: Chapter Questions
Problem 4.36P
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