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Applications and ExamplesSurrounding medium of unknown
Chapter 7, Problem 43E(choose chapter or problem)
Problem 43E
Applications and Examples
Surrounding medium of unknown temperature A pan of warm water (46°C) was put in a refrigerator. Ten minutes later, the water’s temperature was 39°C; 10 min after that, it was 33°C. Use Newton’s law of cooling to estimate how cold the refrigerator was.
Questions & Answers
QUESTION:
Problem 43E
Applications and Examples
Surrounding medium of unknown temperature A pan of warm water (46°C) was put in a refrigerator. Ten minutes later, the water’s temperature was 39°C; 10 min after that, it was 33°C. Use Newton’s law of cooling to estimate how cold the refrigerator was.
ANSWER:
Solution
Step 1 of 3
In this problem we have to find the temperature of the refrigerator.
Given that
Initial temperature of water is ,
After 10 min later water temperature was .
After 20 min later water temperature was .