A body cools in air of constant temperature 20 0C according to this law. Ten minutes after the body began to cool, its temperature was observed to be 75 0C, and 10 minutes later its temperature was 50 0 What was its temperature when it began to cool?
A body cools in air of constant temperature 20 0C according to this law. Ten minutes after the body began to cool, its temperature was observed to be 75 0C, and 10 minutes later its temperature was 50 0 What was its temperature when it began to cool?
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.
Chapter1: Basic Modes Of Heat Transfer
Section: Chapter Questions
Problem 1.82P: Discuss the modes of heat transfer that determine the equilibrium temperature of the space shuttle...
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According to Newton’s law of cooling, the rate at which the temperature of a body changes is proportional to the difference between the instantaneous temperature of the body and the temperature of the surrounding medium. A body cools in air of constant temperature 20 0C according to this law. Ten minutes after the body began to cool, its temperature was observed to be 75 0C, and 10 minutes later its temperature was 50 0 What was its temperature when it began to cool?
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