Question

a moderately active woman who is 5ft 5in tall and weighs 120lbs needs 2100 calories per day to maintain her weight. Show that this is approximately the power of a 100-watt light bulb. Use the fact that 1 calorie per day is equal to approximately 0.049w

Answer 1

if we convert the calories of the women into watts we get 102.9 WATTS so its approximatly the same

Answer 2

0.049*2100=100watt approximately.