Question

A body cools from 60 to 50 in 10 min and from 50 to 40 in 15 minutes the further time it would take to cool from 40 to 36 will be nearly

Answer 1

Answer:

there is a decrement of 5as the temp decreases by 10 therefore 40-30 it would have taken 20 minutes therefore for 1 degree there needed 2 minutes ,therefore for decrement of 4 degree it would have taken 8 minutes.