A pan filled with hot food cools from 94°C to 86°C in 2minutes when the room temperaturs is at 20°C .How long will it take to cool from 71°C to 69°C ?


Question: A pan filled with hot food cools from 94°C to 86°C in 2minutes when the room temperaturs is at 20°C .How long will it take to cool from 71°C to 69°C ?

The answer of this problem is 2.8 minutes. This problem is based on  Newton's Law of cooling which states that the rate at which an object cools is proportional to the difference in temperature between the object and the object's surroundings.

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