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Newton’s Law of Cooling

Newton’s Law of Cooling. By: Hannah and Jess. The Law. Newton's Law of Cooling describes the cooling of a warmer object to the cooler temperature of the environment.

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Newton’s Law of Cooling

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  1. Newton’s Law of Cooling By: Hannah and Jess

  2. The Law • Newton's Law of Cooling describes the cooling of a warmer object to the cooler temperature of the environment. • 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 surrounding temperature

  3. Formula Rate of Change Temperature at time t T-Ts=Cekt Time e Surrounding Temperature Temperature of hot object at time 0-Surrounding Temp

  4. Example! • A murder victim was found at 9 am. • The temperature of a body was measured at 90.3˚F. • An hour later the temperature of the body was 89˚F. • The room temperature was a constant 68˚F. • Figure out what time the murder occurred.

  5. The Murder of Mr. Hopkins

  6. One day…when Mr. Hopkins was about to leave school, he was hit over the head with a banjo… He didn’t make it… Now to find out who did it!

  7. The body was found at 8:15 pm in a closet • The temperature of Mr. Hopkins’ body when he was found was 88˚F • An hour later, the body was 86.2˚F • The room temperature was 71˚F • What time was the murder committed???

  8. That’s right… Kayla received an F on her last quiz and just couldn’t take it anymore. Nice tryyyyy.

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