a) Using the values of resistance for arm, leg, and trunk provided in 2.34, calculate

Chapter 2, Problem 2.36

(choose chapter or problem)

a) Using the values of resistance for arm, leg, and trunk provided in 2.34, calculate the power dissipated in the arm, leg, and trunk. b) The specific heat of water is 4.18 X 103 J/kgC, so a mass of water M (in kilograms) heated by a power P (in watts) undergoes a rise in temperature at a rate given by (IT 2.39 X ]0~4P dt M C/s. Assuming that the mass of an arm is 4 kg, the mass of a leg is 10 kg, and the mass of a trunk is 25 kg, and that the human body is mostly water, how many seconds does it take the arm, leg, and trunk to rise the 5C that endangers living tissue? c) How do the values you computed in (b) compare with the few minutes it takes for oxygen starvation to injure the brain?

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