A body cools from `80^(@)C` to `60^(@)C` in 5 minutes. Then its average rate of cooling is

A body in a room cools from 85^(@)C to 80^(@)C in 5 minutes. Then the time taken to cool from 80^(@)C to 75^(@)C is

A body cools from 70^(@)C to 50^(@)C in 5 minutes. Temperature of surroundings is 20^(@)C . Its temperature after next 10 minutes is

A body cools from 80^(@)C to 50^(@) C in 5 minutes. Calculate the time it takes to cool from 60^(@)C to 30^(@)C . The temperature of the surroundings is 20^(@)C

A body cools from 80^(@)C to 50^(@)C in 5 minutes Calculate the time it takes to cool from 60^(@)C to 30^(@)C . The temperature of the surroundings is 20^(@)C .

A body cools from 60^(@)C to 40^(@)C in 7 minutes. Temperature of surrounding is 10^(@)C . After next 7 minutes what will be its temperature ? During whole process Newton's law of cooling is obeyed.

A body cools from 71^(@) C. to 50^(@) C in 5 minutes. Temperature of surroundings is 20^(@) C. Its temperature after next 10 minutes is