Law of Cooling A car engine runs at a temperature of 190°F. When the engine is turned off, it cools according to Newton's Law of Cooling with constant k = 0.0341, where the time is measured in minutes. Find the time needed for the engine to cool to 90°F if the surrounding temperature is 60°F.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Law of Cooling A car engine runs at a temperature of
190°F. When the engine is turned off, it cools according to
Newton's Law of Cooling with constant k = 0.0341, where
the time is measured in minutes. Find the time needed for
the engine to cool to 90°F if the surrounding temperature is
60°F.
Transcribed Image Text:Law of Cooling A car engine runs at a temperature of 190°F. When the engine is turned off, it cools according to Newton's Law of Cooling with constant k = 0.0341, where the time is measured in minutes. Find the time needed for the engine to cool to 90°F if the surrounding temperature is 60°F.
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