The energy content of food is usually given in Calories. One Calorie is equal to 4186 J. Suppose a person uses 2000 Calories in a day to keep his vital organs functioning.

(a) How much energy in joules is used?

(b) What is his rate of energy consumption?

1 answer

(a) The energy used in joules is 8,372,000 J.
(b) The rate of energy consumption is 8,372,000 J/day.