A person consumes a snack containing 14 food calories (14 kcal). What is the power this food produces if it is to be "burned off" due to exercise in 6 hours? (1 cal = 4.186 J)
A) 2.7 W
B) 0.0027 W
C) 9763 W
D) 0.6 W

Question

Quizplus · Accepted Answer

First, convert food calories to joules: 14 kcal * 1000 cal/kcal * 4.186 J/cal = 58504 J. Then, divide by time in seconds (6 hours * 3600 seconds/hour) to find power in watts: 58504 J / 21600 s = 2.7 W.

A Person Consumes a Snack Containing 14 Food Calories (14