Answered by AI, Verified by Human Experts
Final answer:To convert 2000 kcal/day to watts, multiply by 4184 to change kcal to joules and then divide by the number of seconds in a day, typically rounding to about 100 watts for simplicity.Explanation:A typical human diet of 2000 kilocalories per day can be converted into watts to understand its power equivalent. To convert kilocalories to joules, we use the conversion factor where 1 kcal equals 4184 J. Therefore, 2000 kcal/day is equivalent to 2000 * 4184 J/day, which is 8.368 MJ/day (megajoules per day). Since there are 86,400 seconds in a day, we can find the power in watts by dividing the total energy in joules by the number of seconds in a day.To calculate the power in watts:2000 kcal/day * 4184 J/kcal = 8.368 * 10^6 J/day8.368 * 10^6 J/day / 86,400 s/day ≈ 96.85 WHowever, for simplification and general ease, this conversion is often rounded to a convenient figure of about 100 W, assuming a daily intake of 2000 kcal. It's important to note this is a generalized estimate and actual energy needs vary from person to person....