The food that the average American consumes in a day provides 2.0 X 10^3 kcal of energy. How many calories a sec is this? *how to set up work in dimensional analysis*? & *what is "k" in kcal stand for*?

  1. 👍
  2. 👎
  3. 👁
  1. k is 1000, as in
    kg, km, etc.

    2.0*10^3kcal/day * 1day/86400s * 1000cal/kcal = 23.15 cal/s

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Health

    1.)It is important to choose simple carbohydrates for breakfast to get you started for your day. A.)True or B.)False My answer: A 2.)Each meal must include a food from each food group in MyPlate. A.)True or B.)False 3.)When

  2. Chemistry (Food)

    The average energy yield per gram of carbohydrate and of fat is A).4 kcal and 9 kcal, respectively B).9 kcal and 4 kcal, respectively C).9 kcal each D).4 kcal each

  3. math

    Antoine went on vacation. His room cost $115.62 each night. His flight there cost $45.70. His flight home cost $32.49. He averaged $15.00 per day on food. On the first day Antoine won $75.00. On the last day he lost $25.00. If he

  4. Physics

    A 0.003 0-kg lead bullet is traveling at a speed of 240 m/s when it embeds in a block of ice at 0°C. If all the heat generated goes into melting ice, what quantity of ice is melted? (Lf = 80 kcal/kg, the specific heat of lead =

  1. CHEM

    There are two main units used to describe heat, the calorie and the Joule. The conversion between them is 1 calorie = 4.184 J. A food calorie is equal to 1000 calories of heat or 1 kcal. So if you have a strip of bacon containing

  2. history

    How did the agricultural revolution affect American Indian cultures in Texas A. it helped american indians establish more permanent settlements***** B. it forced some american indians to become more nomadic C. it increased contact

  3. Math

    Jerry's softball team is made up of 15 players, and 9 of them are boys. On the team, what is the ratio of boys to girls? A) 1:4 B) 3:2 C) 3:5 ***** D) 3:8 Convert 4 hours to minutes. A) 48 minutes B) 120 minutes C) 200 minutes D)

  4. chemistry

    How many calories must be supplied to 59 g of ice at −6 C to melt it and raise the temperature of the water to 61 C? The specific heat of ice is 0.49 kcal/kg · K and of water is 1 kcal/kg · K; the heat of fusion of water is

  1. physics

    A 68 student consumes 2500 Cal each day and stays the same weight. One day, he eats 3500 Cal and, wanting to keep from gaining weight, decides to "work off" the excess by jumping up and down. With each jump, he accelerates to a

  2. chemistry

    N2 + O2 ¨ 2 NO ƒ¢H = 43.2 kcal Based on the reaction shown, which statement is true? A) 43.2 kcal are consumed when 1.00 g of O2 reacts. B) 43.2 kcal are produced when 1.00 mole of NO is produced. C) 43.2 kcal are consumed

  3. geometry

    Need help with a word problem - Carrie collected can food for a homeless shelter each day for one week. On day one she collected 7 cans, on day two she collected 8 cans, on day three she collected 10 cans and on day four she

  4. biochemistry

    1. Walking consumes approximately 100 kcal/mi. In the hydrolysis of ATP (ATP → ADP + Pi), the reaction that drives the muscle contraction, ΔGo’ is -7.3 kcal/mol (-30.5 kJ/mol). Calculate how many grams of ATP must be produced

You can view more similar questions or ask a new question.