Asked by Anne
While you sleep, your body is using energy at a rate of 77 W. How many food calories are used during an eight hour period? One food calorie is equal to 4186 joules.
Answers
Answered by
drwls
No. of Joules used = 77 J/s * 8 hr * 3600 sec/hr
= 2.2*10^6 J = 529 food Calories
= 2.2*10^6 J = 529 food Calories
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