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