SOLUTION: Newtons law of cooling - A cup of coffee has cooled from 92°C to 50°C after 12 minutes in a room at 22°C. How long will the cup take to cool 30°C?

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Question 1063697: Newtons law of cooling - A cup of coffee has cooled from 92°C to 50°C after 12 minutes in a room at 22°C. How long will the cup take to cool 30°C?
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