Question

State Newton's law of cooling and also obtain its expression???​

Answer 1

It states that the rate of loss of heat by a body is directly proportional to the temperature difference between the source and the surrounding it's expression isT=T0 + Ce^-kt

Answer 2

Newton's law of cooling states that the rate of change of the temperature of an object is proportional to the difference between its own temperature and the ambient temperature (i.e. the temperature of its surroundings).

Newton's Law makes a statement about an instantaneous rate of change of the temperature.

We will see that when we translate this verbal statement into a differential equation, we arrive at a differential equation.

The solution to this equation will then be a function that tracks the complete record of the temperature over time.