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Unformatted text preview: IE 131 Solutions for Problems due Apr 7 (Ch 23) 23.5 A 15.5oz can (net weight) of corn makes 3.5 servings. Each serving contains 310 mg of sodium (in salt), 1 g of fat, 16 g of carbohydrate (including 6 g of sugars), and 2 g of protein. Use the energy data in Table 23.2 to determine the number of calories (kcal) in the can. Solution: Total kcal/can = 3.5{1(9) + 16(4) + 1(4)} = 283.5 kcal 23.8 A male worker consumes food containing a total of 3,500 calories (3,500 kcal) each day. He is 60 years old and weighs 200 lb. He sleeps 8 hours each night, and his average energy expenditure rate while sleeping is assumed to be his basal metabolic rate. When he is not working or sleeping, his energy expenditure rate averages 1.7 kcal/min (no correction for weight). What must be his average energy expenditure rate (kcal/min) for the eight hours he works, if it is perfectly balanced with his food calorie intake? His digestive metabolism is assumed to be 10 percent of the total of his basal and activity metabolic rates over the 24hours...
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This note was uploaded on 09/06/2010 for the course IE 131 taught by Professor Groover during the Spring '08 term at Lehigh University .
 Spring '08
 Groover

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