It has been found that fat makes up 14% of a 170 -lb person’s body weight. One pound of body fat provides 4500 kcal of energy when it is metabolized. The person requires 2000 kcal of energy per day to survive. Assume all the energy needed for survival comes from the metabolism of body fat, and calculate the number of days the person could survive without eating before depleting the entire body fat reserve.
It has been found that fat makes up 14% of a 170 -lb person’s body weight. One pound of body fat provides 4500 kcal of energy when it is metabolized. The person requires 2000 kcal of energy per day to survive. Assume all the energy needed for survival comes from the metabolism of body fat, and calculate the number of days the person could survive without eating before depleting the entire body fat reserve.
Chapter10: Energy
Section: Chapter Questions
Problem 47A
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It has been found that fat makes up 14% of a 170 -lb person’s body weight. One pound of body fat provides 4500 kcal of energy when it is metabolized. The person requires 2000 kcal of energy per day to survive. Assume all the energy needed for survival comes from the
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Step 1
Given : Mass percent of fat in body = 14 %
Mass of body of person = 170 lbs.
Total energy required by person per day = 2000 kcal/day.
And the energy provided by per pound of fat = 4500 Kcal/lbs.
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