A body takes 5 minutes to cool from `100^(0)C` to `60^(0)C` and takes time t to cool from 80 to `40^(0)C` .If surrounding temperature is `20^(0)C` .Find t(min)

If a body takes 6 minutes to cool from 80°C to 70°C, how long will it take to cool from 60°C to 50°C, if the surrounding temperature is 25°C?

A body takes 4 minutes to cool from 100^(@)C to 70^(@)C . To cool from 70^(@)C to 40^(@)C it will take (room temperture os 15^(@)C )

A hot liquid takes 10 minute to cool from 70^(@)C to 60^(@)C . The time taken by the liquid to cool from 60^(@)C to 50^(@)C is

A body takes 5 minute to cool from 65^(@) C to 60^(@) C and 7 minute to cool from 60^(@)C to 55 ^(@) C . find out the room temperature and the time it will take to cool 55 ^(@) C to 50^(@) C.

A body cools in 7 minutes from 60^(@)C to 40^(@)C What time (in minutes) does it take to cool from 40^(@)C to 28^(@)C if the surrounding temperature is 10^(@)C ? Assume Newton’s Law of cooling holds

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 liquid takes 5 minutes to cool from 80^@C to 50^@C . How much time will it take to cool from 60^@C to 30^@C ? The temperature of surroundings is 20^@C .

A body cools from 61^0 C to 59^0 C in T_0 . How much time it would take to cool from 51^0C to 49^0 C . If room temperature is 30^0 C

A body cools from 50^(@)C to 46^(@)C in 5 minutes and to 40^(@)C in the next 10 minutes. The surrounding temperature is :