- 1(current)
Q. No.A pan filled with hot food cools in \(2\) minutes from \(94^{\circ}\text{C}\) to \(86^{\circ}\text{C}\) when the room temperature is \(20^{\circ}\text{C}\). How long will it take to cool from \(71^{\circ}\text{C}\) to \(69^{\circ}\text{C}\)?
1. \(50\) sec
2. \(52\) sec
3. \(42\) sec
4. \(48\) sec
1. \(50\) sec
2. \(52\) sec
3. \(42\) sec
4. \(48\) sec
Subtopic: Â Newton's Law of Cooling |
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