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A pan filled with hot food cools from 94...

A pan filled with hot food cools from `94^(@) C " to " 86^(@) C` in 2 minutes when the room temperature is at `20^(@) C` . How long will it take to cool from `71^(@) C " to " 69^(@) C` ?

A

42 s

B

42 min

C

0.7 s

D

7 min

Text Solution

Verified by Experts

The correct Answer is:
A
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