Suppose that you come into your professor's office to ask some questions shortly before 7:30 a.m. on Saturday. You find him lying on the floor of his office in a pool of chalk dust, dead. You quickly call the police and their investigators take several measurements over the next hour, including: 1) the body temperature at 7:45 a.m. - 32°C 2) the body temperature at 8:45 a.m. – 31.5°C 3) room temperature - 20°C (constant) You quickly realize that the police believe you to be a prime suspect, so you need an alibi. You know that you were studying until midnight, but you aren't sure if that is enough information. You need to know the time of death! How good is your alibi?

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Use Newton's Law of Cooling 

Suppose that you come into your professor's office to ask some questions
shortly before 7:30 a.m. on Saturday. You find him lying on the floor of his
office in a pool of chalk dust, dead. You quickly call the police and their
investigators take several measurements over the next hour, including:
1) the body temperature at 7:45 a.m. - 32°C
2) the body temperature at 8:45 a.m. – 31.5°C
3) room temperature - 20°C (constant)
You quickly realize that the police believe you to be a prime suspect, so
you need an alibi. You know that you were studying until midnight, but
you aren't sure if that is enough information. You need to know the time
of death! How good is your alibi?
Transcribed Image Text:Suppose that you come into your professor's office to ask some questions shortly before 7:30 a.m. on Saturday. You find him lying on the floor of his office in a pool of chalk dust, dead. You quickly call the police and their investigators take several measurements over the next hour, including: 1) the body temperature at 7:45 a.m. - 32°C 2) the body temperature at 8:45 a.m. – 31.5°C 3) room temperature - 20°C (constant) You quickly realize that the police believe you to be a prime suspect, so you need an alibi. You know that you were studying until midnight, but you aren't sure if that is enough information. You need to know the time of death! How good is your alibi?
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