EmSAT Achieve Exam > EmSAT Achieve Videos > Physics for EmSAT Achieve > Introduction to Newton's Law of Cooling
Introduction to Newton's Law of Cooling Video Lecture | Physics for EmSAT Achieve
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FAQs on Introduction to Newton's Law of Cooling Video Lecture - Physics for EmSAT Achieve
| 1. What is Newton's Law of Cooling? |  |
Ans. Newton's Law of Cooling states that the rate of heat loss of a body is directly proportional to the difference in temperature between the body and its surroundings.
| 2. How is Newton's Law of Cooling used in real-life applications? | |
Ans. Newton's Law of Cooling is used in various real-life applications such as determining the cooling rate of hot beverages, predicting the cooling time of food, and analyzing the cooling process in electronic devices.
| 3. What are the key factors that affect the rate of cooling according to Newton's Law of Cooling? | |
Ans. The key factors that affect the rate of cooling according to Newton's Law of Cooling are the initial temperature of the object, the temperature of the surroundings, the surface area of the object, and the type of material of the object.
| 4. How can Newton's Law of Cooling be expressed mathematically? | |
Ans. Newton's Law of Cooling can be expressed mathematically as: T(t) = Ts + (To - Ts) * e^(-kt), where T(t) is the temperature of the object at time t, Ts is the temperature of the surroundings, To is the initial temperature of the object, k is the cooling constant, and e is the base of the natural logarithm.
| 5. Can Newton's Law of Cooling be applied to objects with changing surface areas? | |
Ans. Newton's Law of Cooling assumes a constant surface area for the object, so it may not be directly applicable to objects with changing surface areas. In such cases, modifications may need to be made to the equation to account for the changing surface area.
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Dec 22, 2024 Last updated |
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