Question

The body starts at 98.6 degrees and cools from there.

Application of Newton's Law of Cooling dT/dt = -K (T-Tm ) for k> 0 Question: Determination of the time of death (Homicide, or accidental death ) If the discovered body measured as 850 F, and checked as 740 Ftwo hours later. Also, the constant temperature of the medium around the body Tm = 68°F. Step 1: set up the system Step 2: solve the system

Answer 1

Neoli las By Clng T-) d'T dr Seperatig Vanabls ; di oge togCFF) log (T)-g -kt e cK F-Tm ak 9-3 b So m S Cguen) 8.6= Apply Cndy C -39- 9-3 b T85 t2 G 8 + + 39 :58 30 (k) 30 6 (0.5595) o.53 C e (30) (0.7453) T74 - (o:3) 30-t