Question
Question: A pan filled with hot food cools from 94 °C to 86°C in 2 minutes when the room temperature is at 20 ...
A pan filled with hot food cools from 94 °C to 86°C in 2 minutes when the room temperature is at 20 °C. The time taken to cool it from 71 °C to 69 °C is
A
12 s
B
22 s
C
32 s
D
40 s
Answer
40 s
Explanation
Solution
40s