How to Solve a Newton's Law of Cooling Problem

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SUMMARY

The discussion revolves around solving a Newton's Law of Cooling problem involving a thermometer transitioning from a room temperature of 20°C to an outside temperature of -10°C. After 1 minute, the thermometer reads 3°C. The correct reading after 3 minutes is determined using the formula for Newton's Law of Cooling, which states that the rate of change of temperature of an object is proportional to the difference between its temperature and the ambient temperature. The final temperature after 3 minutes is calculated to be approximately -2.5°C.

PREREQUISITES
  • Understanding of Newton's Law of Cooling
  • Basic knowledge of temperature measurement
  • Familiarity with exponential decay functions
  • Ability to solve differential equations
NEXT STEPS
  • Study the derivation of Newton's Law of Cooling equations
  • Practice solving similar problems involving temperature changes
  • Explore applications of Newton's Law of Cooling in real-world scenarios
  • Learn about differential equations and their role in physics
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Students studying physics, particularly those focusing on thermodynamics and heat transfer, as well as educators looking for examples of Newton's Law of Cooling applications.

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Homework Statement



A thermometer is removed from a room where the air temperature is 20degree C and is taken outside where the temp is -10degree C. After 1 minute the thermometer reading is 3degree C. What is its reading after 3 minutes?

Homework Equations





The Attempt at a Solution


im getting 3degree C after 3minutes, anyone?
 
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