Question

according to Newton's law of cooling, the rate at which a substance cools in air is directly proportional to the difference between the temperature of the substance and that of the air. If the temperature of the air is 30 degrees cand the substance cools from 100 degrees c to 70 degrees c in 15 minutes, how long will it take to cool from 100 degrees c to 50 degree c.​

Answer 1

Step-by-step explanation:

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.

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.