baileyyc said:
…Newton's Law of Cooling is a mathematical equation that describes the rate at which an object cools down to the temperature of its surrounding environment. It states that the rate of change of an object's temperature is proportional to the difference between its temperature and the temperature of its surroundings.
The main assumptions of Newton's Law of Cooling are that the object is in a closed system with constant environmental temperature, and that the object's temperature is only affected by heat transfer through convection or radiation.
No, Newton's Law of Cooling is only applicable to cooling processes where the temperature difference between the object and its surroundings is relatively small. It also assumes that the object has a uniform temperature throughout and that the surrounding environment is well-mixed.
Newton's Law of Cooling can be used in various practical applications, such as predicting the cooling rate of hot beverages, determining the cooling time of heated food, and monitoring the temperature changes in industrial processes.
While Newton's Law of Cooling provides a good approximation for many cooling processes, it may not be accurate in situations where there are significant temperature differences or when the object's temperature changes rapidly. Other factors, such as humidity and air flow, can also affect the accuracy of this law.