Answered: Suppose that at time t = 0, a corpse is…

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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In a homicide investigation or accident death it is often important to estimate the time of death. From experimental observations it is known that, to an accuracy satisfac- tory in many circumstances, the surface temperature of an object changes at a rate proportional to the difference between the temperature of the object and that of the surrounding environment (the ambient temperature). This is known as Newton’s law of cooling. Suppose that at time t = 0, a corpse is discovered, and that its temperature is θ0. Assuming that at the time of death the body temperature had the normal value of 98.60F. Determine the time of death td. given that the temperature of the corpse is 850F when discovered and 740F two hours later, and that the ambient temperature is 680F.

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