A body cools from 50C to 40C in 5min .The surroundings temperature is 20C .In what further time (in minutes) will it cool to 30C

A body cools from 50^(@)C to 40^(@)C in 5 min. The surroundings temperature is 20^(@)C . In what further times (in minutes) will it cool to 30^(@)C ?

A body cools from 50^(@)C to 40^(@)C in 5 minutes. The surrounding temperature is 20^(@)C . What will be its temperature 5 minutes after reading 40^(@)C ? Use approximate method.

A body cools from 50^@C to 40^@C in 5 mintues in surrounding temperature 20^@C . Find temperature of body in next 5 mintues.

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

A body takes T minutes to cool from 62^@C to 61^@C when the surrounding temperature is 30^@C . The time taken by the body to cool from 46^@C to 45^@C is

A body cools from 50^(@)C to 40^(@)C is 5 minutes when its surrounding are at a constant temperature of 20^(@)C . How long will it take for it to cool by another 10^(@)C ?

A body cool from 90^@C to 70^@C in 10 minutes if temperature of surrounding is 20^@C find the time taken by body to cool from 60^@C to 30^@C . Assuming Newton’s law of cooling is valid.

A metallic sphere cools from 50^(@)C to 40^(@)C in 300 seconds. If the room temperature is 20^(@)C then its temperature in next 5 minutes will be -