Calorie Work Power - Calculate W & Days for 2000 kcal Diet

In summary, the conversation is discussing the average power consumption in watts of following a diet of 2000 food calories per day. It is noted that a food calorie is equal to 4.2 x 10^3 J and a regular calorie is equal to 4.2 J. The power consumption of a table lamp is typically 100 watts. The conversation also considers the conversion of large calories to days, equating it to the energy change from sea level to the top of Mount Everest. The individual's weight is given as 68 kg, but it is noted that the body is not 100% efficient in converting chemical energy into altitude change. In summary, the solution to the problem involves finding the power based on large and
  • #1
mshah3
38
0

Homework Statement



(a) If you follow a diet of 2000 food calories per day (2000 kilocalories), what is your average power consumption in watts? (A food or "large" calorie is a unit of energy equal to 4.2 103 J; a regular or "small" calorie is equal to 4.2 J.) Note for comparison that the power consumption in a table lamp is typically about 100 watts.
_______ watts
(b) How many days of a diet of 2000 large calories are equivalent to the gravitational energy change from sea level to the top of Mount Everest, 8848 m above sea level? Assume your weight is 68 kg. (The body is not anywhere near 100% efficient in converting chemical energy into change in altitude. Also note that this is in addition to your basal metabolism.)
_______days

Homework Equations



Power = Work / delta T

The Attempt at a Solution



i tried to find the power based on the calories being large and for when they are small. then i averaged the two powers. it didnt seem to work out though. =(
 
Physics news on Phys.org
  • #2
can you show your steps?
 
  • #3
i ended up figurin out the solution.
thanks for the help anyways.
=)
 

What is a calorie?

A calorie is a unit of measurement for energy. Specifically, it is the amount of energy needed to raise the temperature of 1 gram of water by 1 degree Celsius.

How many calories should I consume in a day?

The recommended daily calorie intake varies depending on factors such as age, gender, and activity level. However, on average, it is recommended to consume around 2000 calories per day for a healthy diet.

How can I calculate the work power needed for a 2000 calorie diet?

To calculate the work power needed for a 2000 calorie diet, you can use the formula W = 2000 x 24 = 48,000 calories per day. This means that the body needs to expend 48,000 calories per day to maintain a 2000 calorie diet.

How many days can I sustain a 2000 calorie diet?

The number of days that you can sustain a 2000 calorie diet depends on various factors such as your body composition, activity level, and overall health. However, on average, a 2000 calorie diet can be sustained for an extended period of time without any negative effects.

What are the benefits of following a 2000 calorie diet?

A 2000 calorie diet can provide numerous benefits, including maintaining a healthy weight, providing sufficient energy for daily activities, and ensuring a balanced intake of essential nutrients. It can also help prevent chronic diseases such as obesity, diabetes, and heart disease.

Similar threads

  • Introductory Physics Homework Help
Replies
4
Views
30K
Replies
3
Views
722
  • Introductory Physics Homework Help
Replies
4
Views
3K
  • Introductory Physics Homework Help
Replies
2
Views
18K
Replies
3
Views
6K
  • Mechanical Engineering
Replies
6
Views
2K
  • Biology and Medical
Replies
9
Views
4K
  • Introductory Physics Homework Help
Replies
2
Views
2K
  • Introductory Physics Homework Help
Replies
2
Views
2K
  • Engineering and Comp Sci Homework Help
Replies
2
Views
1K
Back
Top