A body cools at the rate of `0.6^(@)C//s` when it is `40^(@)C` above the surrounding. Then the rate of cooling when it is at `20^(@)C` above the same surrounding is

A body cools at the rate of 0.75^(@)C//s when it is 50^(@)C above the surrounding. Its rate of cooling when it is 30^(@)C above the same surrounding is

A body cools at the rate 0.5^(@)C// minute when is 25^(@)C above the surroundings. Calculate the rate of cooling when it is 15^(@)C above the same surroundings.

A body cools at the rate 0.50^@C's when it is at 50^@C above the surrounding temperature. Its rate of cooling when it is 30^@C above the same surrounding temperature will be

A body cools at the rate of 0.75 °C/s, when it is 50 °C above the surrounding. Its rate of cooling, when it is 30 °C above the same surrounding, will be

A body cools at the rate of 0.75 °C/s, when it is 50 °C above the surrounding. Its rate of cooling, when it is 30 °C above the same surrounding, will be

A body cools at the rate of 0.5^(@)C//s when it is 50^(@)C above the surrounding temperature. The rat of cooling at excess temperature of 30^(@)C over the surrounding temperature is

The rate of cooling of a body is 0.5^(@)C//"minute" , when the body is 50^(@)C above the surrounding. What is the rate of cooling if the body is 30^(@)C above the surrounding ?

A body cols at the rate of 0.5^@C/s when it is at a temperature of 50^@C above the surroundings. What would be the rate of cooling when the body is at a temperature of 30^@C above the surroundings.

A body cools at the rate of 3^(@)C// min when its temperature is 50^(@)C . If the temperature of surroundings is 25^(@)C then the rate of cooling of the body at 40^(@)C is