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A hot liquid takes 5 minutes to cool from 70(degree)C to 60(degree)C. the time taken by the same liquid to cool from 60(degree)C to 59(degree)C will be(take surrounding temperature is 20(degree)C)

A hot liquid takes 5 minutes to cool from 70(degree)C to 60(degree)C. the time taken by the same liquid to cool from 60(degree)C to 59(degree)C will be(take surrounding temperature is 20(degree)C)

Grade:9

1 Answers

Arun Kumar IIT Delhi
askIITians Faculty 256 Points
7 years ago




Equation is set just take log and divide to get the answer.


Arun Kumar
IIT Delhi
Askiitians Faculty

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