A dead body was found within a closed room of a house where the temperature was a constant 70° F. At the time of discovery the core temperature of the body was determined to be 85° F. One hour later a second measurement showed that the core

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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6.

A dead body was found within a closed room of a
house where the temperature was a constant 70° F.
At the time of discovery the core temperature of the
body was determined to be 85° F. One hour later a
second measurement showed that the core
temperature of the body was 80° F. Assume that the
time of death corresponds to t = 0 and that the core
temperature at that time was 98.6° F. Determine how
many hours elapsed before the body was found.
[Hint: Let t1 > 0 denote the time that the body was
discovered.]
Transcribed Image Text:A dead body was found within a closed room of a house where the temperature was a constant 70° F. At the time of discovery the core temperature of the body was determined to be 85° F. One hour later a second measurement showed that the core temperature of the body was 80° F. Assume that the time of death corresponds to t = 0 and that the core temperature at that time was 98.6° F. Determine how many hours elapsed before the body was found. [Hint: Let t1 > 0 denote the time that the body was discovered.]
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