Just before mid-day, the dead body ofJohn Wayneis foundin a room that is kept at a constant temperature of 70°F. At 12 noon the temperature of the body is 80°F and at 1 pm it is 75°F.Assume that the temperature of the time of death was 98.6°F and that it has cooled in accordance with Newton's law of cooling. What was the time of death of John Wayne? b. 10:29 am d. 10:44 am а. 11:09 am с. 11:22 аm e. none of the choices

Advanced Engineering Mathematics
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Chapter2: Second-order Linear Odes
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Just beforemid-day, the dead body of John Wayne is found in a room that is kept at a
constant temperature of 70°F. At 12 noon the temperature of the body is 80°F and at 1
pm it is 75°F.Assume that the temperature of the time of death was 98.6°F and that it
has cooled in accordance with Newton's law of cooling. What was the time of death of
John Wayne?
a. 11:09 am
c. 11:22 am
e. none of the choices
b. 10:29 am
d. 10:44 am
Transcribed Image Text:Just beforemid-day, the dead body of John Wayne is found in a room that is kept at a constant temperature of 70°F. At 12 noon the temperature of the body is 80°F and at 1 pm it is 75°F.Assume that the temperature of the time of death was 98.6°F and that it has cooled in accordance with Newton's law of cooling. What was the time of death of John Wayne? a. 11:09 am c. 11:22 am e. none of the choices b. 10:29 am d. 10:44 am
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