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A coroner uses a Formula1 derived from Newton's Law of Homing1 to calculate the elapsed time since a person died. The formula is t=mh(T_R) ETR where...

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alg 2.png

A coroner uses a Formula1 derived from Newton’s Law of Homing1 to calculate the elapsed time
since a person died. The formula is
t=—mh(T_R) ET—R where t is the time in hours since the [leath1 T is thel body’s temperature messured in “C and E.
is the constsnt room temperature in “C. An accountant stayed late at work one evening and was Found dead in his office the next morning.
The office temperature was constant at 21"C. [a] At It) am the coroner measured the body temperature. The temperature of the had}; was
found to he 29.?“C. Determine the accountautis estimated time of death1 leave your answer
correct to the nearest minute. {In} 1What would the temperature of the body he at lfl'm1 it the accountant had died at 2am? c a so tversus or =132124ont ssroeaxes win verti
Sketchgr 1" TI R 1, , he 1clear sho gthe ca]
ssymptoteforeschgraph. [d] If the constant oifice temperature had been less than 21°C1 would the time of death Found in {a} he earlier or later. Give reasons for your answer.

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