A body cools from `70^@C "to" 40^@C` in 5 min. 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 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 minuts. Calculate the time it takes to cool from 60^@C to 30^@C . The temperature of surrounding is 20^@C .

A body cools from 80^(@)C to 50^(@)C in 5 min-utes 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 min-utes 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 5minutes ,Calculate the time it taken to cool from 60°C to 30°C .The temperature of the surrounding is 20°C .