cup of water with temperature of 72°F is placed outside during a cold winter of -20°F. At 11:05 the water is at 60°F and 2 minutes afterwards its temperature dropped to 50°F.  At what time was the water placed outside

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter16: Temperature And The Kinetic Theory Of Gases
Section: Chapter Questions
Problem 33P: At 25.0 m below the surface of the sea, where the temperature is 5.00C, a diver exhales an air...
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A cup of water with temperature of 72°F is placed outside during a cold winter of -20°F. At 11:05 the water is at 60°F and 2 minutes afterwards its temperature dropped to 50°F.  At what time was the water placed outside?​

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