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# How Many Calories Are There In A Joule?

0.238 calorie 1 Calorie/kcal = 4.2 kilojoules. Therefore 1 joule=1/4.2 calorie. That is 0.238 calorie which is equivalent to 0.24 calorie.

### What is the equivalent of 1 joule?

From Knowino The joule (symbol J ) is the SI unit of energy —a measure of the capacity to do work or generate heat, One joule equals the work done (or energy expended) by a force of one newton (N) acting over a distance of one meter (m). One newton equals a force that produces an acceleration of one meter per second (s) per second on a one kilogram (kg) mass. The mechanical quantities involved have the SI units: It follows that J (joule) is expressed in SI basic units as: ‘Joule’ is variously pronounced ‘jool’ (rhymes with ‘jewel’) or ‘joul’ (rhymes with ‘jowl’). One may also use electric units to define the joule. One joule measures the energy released by a electric charge of one coulomb dropping one volt in absolute value of electrical potential.

The amount of energy delivered by a one watt source of power in one second is one Joule. The joule is also used to measure thermal energy. One calorie of heat is the equivalent of 4.186 J. The joule is named for James Prescott Joule (1818 – 1889), who studied the relation between mechanical and heat energy discovered earlier by count Rumford,

One joule represents a relatively small amount of energy; it takes roughly 100,000 J (10 5 J) to heat a cup of water from room temperature to its boiling point under standard conditions. Often, kilojoules (kJ) are used, kJ = 10 3 J.

## How many calories are there in a joule in gram?

One joule is equal to 0.24-gram calories.

### What is the value of 1 joule in KG?

Conversion from J to kg
Conversion equation: (1 J)/ c 2 = x kg x = 1 /
Value of conversion factor: x = 1.112 650 056. x 10 -17
Your input value: 1.000 000 000 000 00. J
Your converted value: 1.112 650 056 053 62. x 10 -17 kg
Note: is the numerical value of Q when Q is expressed in SI units
 Source: 2018 CODATA recommended values Definition of uncertainty Basis of conversion factors for energy equivalents

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### Is 1 joule a lot?

How much is 1 J? It is enough to warm up about one-fourth of a gram of water by 1°C. It takes about 12,000 J to warm a cup of coffee from room temperature to 50°C. So a joule is not a lot of energy.

### What is the relation between 1 joule and calorie?

1 Calorie/kcal = 4.2 kilojoules Where, A calorie is the unit of energy. Calorie or kilocalorie is the unit of energy = 1000 calories. Joule is the unit of energy.

## How much is 1 gram calories?

Frequently Asked Questions (FAQs) – How many calories are in one gram of fat, carbohydrate, or protein? Carbohydrates provide 4 calories per gram, protein provides 4 calories per gram, and fat provides 9 calories per gram. This information is also included at the end of the Nutrition Facts label on food packages.

2. Where can I find information about food composition? USDA ‘s FoodData Central is a nutrient database for researchers and professionals that shares what nutrients and compounds are in foods.
3. It also addresses factors that influence variability in nutrient content, like genetics and environment.

Search a food to see its nutrition content, including calories, fiber, vitamins, minerals, caffeine, and more. The Agricultural Research Service also has databases for iodine, flavonoids, and isoflavones, For more information about nutrients in food, visit FNIC ‘s Food Composition and Nutrient Lists from Standard Reference Legacy (2018) pages.

What are the Dietary Reference Intakes (DRIs)? The DRI s recommend daily nutrient allowances for healthy individuals based on scientific evidence about relationships between nutrient intakes, health, and disease prevention. The DRI s are a set of values released by the National Academies of Science, Engineering, and Medicine (formerly known as the Institute of Medicine) that include the Estimated Average Requirement (EAR), Recommended Dietary Allowance (RDA), Adequate Intake (AI), Tolerable Upper Intake Level (UL), and Acceptable Macronutrient Distribution Ranges (AMDRs).

Learn more about the DRI s and how they are calculated by viewing FNIC ‘s Dietary Reference Intakes (DRIs) page, or use the DRI Calculator for Healthcare Professionals to determine nutrient needs for patients or clients. Please note that individualized nutrient requirements may be higher or lower than the DRI s depending on medical or health needs.

• Use the National Institute of Food and Agriculture’s (NIFA) College Partners Directory to find a local Cooperative Extension. Extension staff provide education on nutrition, food safety, and other agricultural topics.
• Search for RDN s and other nutrition professionals by zip code in the Academy of Nutrition and Dietetics’ (AND) Find a Nutrition Expert database. You can also contact your AND state affiliate to get information about RDN s in your area.
• Contact community organizations or schools. Local colleges or universities with nutrition programs may have professors, students or interns who are willing to participate in events. Local hospitals or health systems with RDN s may also be able to assist.

Can I add the Dietary Reference Intake (DRI) calculator to my app or website? Permission was obtained from the National Academies of Science, Engineering, and Medicine to use DRI data in FNIC ‘s DRI Calculator for Healthcare Professionals, Since the DRI data is copyrighted, permission from the National Academies is needed if you want to use the database for any reason other than personal use.

## How many calories is 1 kilojoule?

How does One Calorie Equal One Kilojoule? – Even though we just showed that 1 Calorie is 4.184 kJs, the body is not 100% efficient at using that Calorie. The body’s efficiency of turning fuel combustion into work is called an individual’s Gross Metabolic Efficiency (GME).

The typical GME ranges from roughly 20% to 25%. What that means is, of the 1 Calorie your body plans to burn to produce 4.184 kJ of work, the average human body is only going to be effectively using 20-25% of that Calorie to do so. The remaining 75-80% of the stored chemical energy (Calories) is lost to the external environment in the form of heat.

This boils down to a 1:1 ratio as you can see below: 1 Calorie × 25% =,25 →,25 × 4.184 kJ = 1.045 kJ For practical reasons, most cyclists approximate this to: 1 kJ to 1 Calorie. In order to give riders an idea of their kJ/Calorie reading, the TrainerRoad workout page gives users the ability to see just how many kJ/Cal they can expect to output/burn on any given workout.

## What has more energy 1 joule of 1 calorie?

Calories in One Joule – A standard conversion in the Systeme Internation de’Unites is that one calorie equals 4.186 joules, which is how much energy is given off in heat to raise 1 kg of water 1 degree Celsius. Because heat is a form of energy, it can be converted to joules.

### How many joules does it take to burn one calorie?

July 17, 2013 by Allen Lim, PhD I asked my little nephew the other day if he knew what a calorie was and he quickly replied, “It’s what makes you fat.” I didn’t know if I wanted to laugh or cry. While he was technically correct and his response was unknowingly witty and oddly in tune, I also realized that I might have exposed him to too many pro cyclists and that a three year old shouldn’t be concerned about his power to weight ratio.

• I tried to explain that calories don’t make you fat on their own, but eating more calories than you need can.
• He didn’t seem to really care about what I was saying so we went back to the more constructive task of tearing up pieces of paper for no particular reason.
• Still, his answer got me thinking about whether any of us really understand calories.

For whatever reason, one of the most commonly asked questions I get asked when I’m at a bike race is; “Hey Al, how many calories do these riders eat?” I’m so sick of hearing that question that my knee jerk response is always something dry like, “A lot more than you.” But, If I’m in a particularly good mood, I might slowly and critically look the person up and down, and respond in a matter of fact albeit facetious tone; “Obviously less than you.” That answer always seems to leave them even more confused.

## How many joules is a small calorie?

A 710-millilitre (24 US fl oz) energy drink with 330 kilocalories The calorie is a unit of energy, For historical reasons, two main definitions of “calorie” are in wide use. The large calorie, food calorie, or kilogram calorie was originally defined as the amount of heat needed to raise the temperature of one kilogram of water by one degree Celsius (or one kelvin ).

• The small calorie or gram calorie was defined as the amount of heat needed to cause the same increase in one gram of water.
• Thus, 1 large calorie is equal to 1000 small calories.
• In nutrition and food science, the term calorie and the symbol cal almost always refers to the large unit.
• It is generally used in publications and package labels to express the energy value of foods in per serving or per weight, recommended dietary caloric intake, metabolic rates, etc.

Some authors recommend the spelling Calorie and the symbol Cal (both with a capital C) to avoid confusion; however, this convention is often ignored. In physics and chemistry the word calorie and its symbol usually refer to the small unit; the large one being called kilocalorie,

## How much energy is in a joule?

Energy Units and Conversions – 1 Joule (J) is the MKS unit of energy, equal to the force of one Newton acting through one meter.1 Watt is the power of a Joule of energy per second Power = Current x Voltage (P = I V) 1 Watt is the power from a current of 1 Ampere flowing through 1 Volt.1 kilowatt is a thousand Watts.1 kilowatt-hour is the energy of one kilowatt power flowing for one hour.

#### What is the formula of 1 joule?

Work (Joule)= F × D = × =. Therefore, Joule is dimensionally represented as.

### How many newton is in a joule?

One joule is equal to how many newtons? 1 joule is equal to 1 newton meter. The ratio of joules to newton meters is 1:1. If you need to convert any number from joules to newtons, all you have to do is multiply it by 1.

### What does 200 joules feel like?

A cardiac arrest showed me what dying feels like. How should I live in Life 2.0? | Jonathan Watts I t was exactly like a scene from Casualty. An ambulance, siren wailing, lights flashing, pulls up in the A&E bay of a hospital. Paramedics swiftly open the doors and wheel out an ashen-faced, barely conscious middle-aged man.

• Doctors and nurses shift him – “On lift.
• Ready, steady, lift!” – on to a bed, then immediately plug the patient into medical support: cannulas in the veins, oxygen tubes in the nostrils and ECG patches on the torso, arms and legs.
• The monitors show a pulse of 250 beats per minute and blood pressure of 40 over 20 – a near terminal case of ventricular tachycardia.

The upper and lower chambers of his heart are out of whack, pushing his pulse up and driving blood pressure down. The doctors are in agreement. There is no time to wait. They stick electrode pads on the chest, press defibrillator paddles on top and order everyone “Clear!” before pressing the button.

A 200-joule charge jolts through the body in a thousandth of a second. Then, much to the astonishment of the doctors, the patient sits up and yells, “That was the most painful thing I have ever felt in my life,” before collapsing unconscious and pulseless. That patient was me. I had realised I was dying about half an hour earlier.

My heart had gone loco during a kick around on Tooting Common, south London. I suddenly felt tired and asked to go in goal for a rest. Then I keeled over. I remember being confused at finding myself lying on the grass and too weak to move. I could feel my body shutting down as if someone was walking through the corridors and flicking off the switches – first the right foot, then the left, then the lower right leg, then the lower left, then the thighs.

1. Everything was going cold – just like one of those fatally wounded characters in an old war film.
2. I’m dying,” I thought.
3. This is what dying is like.” I felt curious, a sense of wonder.
4. To my surprise, the realisation was not at all frightening.
5. It was almost gentle.
6. That may have been because I lacked the energy to panic or perhaps my brain instinctively knew the best thing to do was stay calm.

I thought very deliberately of my family and friends and how lucky I was to have so much love in my life. “I want you to tell my girlfriend, my daughters, my sister and my mother that I love them and I am not afraid,” I insisted to a teammate, as they tried to keep my attention until the ambulance arrived.

I silently gave thanks for a wonderful life and smiled at the sunset clouds and the leaves on the tree above me. I hadn’t yet had a drop of morphine, but Tooting Common seemed incredibly beautiful. I wasn’t eager to die, but I was ready. “Worse ways to go than playing football,” I thought. My cardiologist told me later I had been “as good as dead” for several minutes.

It took two more electric shocks and to bring me back to life. I recall none of that, no pain, no fuss and certainly no visions of white tunnels or looking down from the ceiling. There wasn’t even darkness or time. There was nothing. And then then there was something as I came to, hospital lights, concerned faces staring down at me, and voices, questions: “How do you feel? What is your name? What is your date of birth? What happened to you? Do you know how lucky you are to be alive?” I didn’t.

Not fully. Not then. I was too tired and my body too pumped full of morphine. My feelings were a mix of gratitude to the doctors, worry that my family would be upset, a little fear in case there would be more pain, and fascination about what I had been through. That night I was surrounded by pinging machines in the heart failure ward, feeling a little groggy but amazed to be alive.

The only visible evidence that I had almost dropped dead were a couple of purple bruises left, I presume, by the defibrillator, and an awful lot of tubes and wires on my body. The nurse warned me I could have so I tested my mental acuity by counting upwards in prime numbers and seeing how many times I could double the number two before the digits became too long to grapple with.

1. I ploughed back through old memories.
2. All seemed well.
3. This may sound strange.
4. But I felt privileged to have made a journey few get to return from.
5. The journalist in me was intrigued and felt a responsibility to report back (which I finally feel ready to do now).
6. Within five days, I was back home, having been rested, tested, pumped full of beta blockers and implanted with an ICD, an ingenious device that monitors my restless heart and soothes discord between the upper and lower chambers.

It can also give me a shock if I need another one. The quality of care was superb and all the more remarkable for being provided in the midst of a pandemic. I even got to request the music the surgeons played over the speakers in the operating theatre as they cut me open under local anaesthetic to insert the ICD. Jonathan Watts recovering after his cardiac arrest. Photograph: PR I later did some research. The doctor was right: I am extremely fortunate. According to the British Heart Foundation, only in the UK survive a cardiac arrest outside a hospital. Worldwide, the odds are,

My cardiologist told me I would certainly be dead without the defibrillator. Even with it, things can be touch and go. Unlike in TV dramas, the chances of preventing death with a shock are considerably less than 50:50. Even if the heart stoppage occurs in a hospital, studies suggest there is only a 15% chance of leaving alive.

If the medical staff hadn’t physically pumped my heart, I might now be suffering neurological problems caused by an interrupted flow of blood to the brain (a common problem in survivors). In other countries, I could also have been financially ruined. In the United States, cardiac arrest treatment and ICD surgery can cost more than, and I might have been billed for the full amount if the emergency services had taken me to a hospital,

As it is, under the NHS, I only had to pay my usual monthly national insurance contribution. So my survival is not just luck. It is thanks to a society that still believes in social medicine and invests in cover for everyone. Unlike private insurance policies, I don’t have to worry that my contributions might be ramped up in the future to cover the outpatient checks and subsidised medicine I will need for the rest of my life.

Doctors tell me the prognosis is good so hopefully that may be some time. Five months on from the cardiac arrest, I am much recovered, walking five miles a day, but still not fully up to speed. I will probably never be at the level I was. My heart muscle is strong, but its electrical system is out of kilter.

Until the cardiologists have identified the cause of the misfire, I will have to exercise at a lower intensity and reduce day-to-day stress. I may need more surgery. I also need to rethink who I am and how I live. The ICD under my collar bone means I am now part-man, part-computer – a step close to the singularity.

And I take beta blockers every day, which sometimes makes my thinking sluggish. I am more appreciative of biotechnology and pharmacology – and more envious of those who do not need to rely on either. It has given me a good excuse, too, to think about the big stuff.

Where is the boundary between life and death? Did I briefly cross over? How do I make the most of Life 2.0? How do I repay society? I have spent a lot of time reflecting on these questions and reviewing my past. At first, this was a mental exercise, then a way to pass the time. In the hospital ward, we were not allowed visitors because of Covid restrictions so on each of the five days, I revisited a different decade of my past, dwelling at length on close relationships, wondrous journeys and joyful moments.

Five months on, I still get great pleasure from doing this. I am also trying to live more in the present. It’s a cliche, but for weeks after discharge I marvelled at the simplest things – rainfall, sparrows, insects, cups, beans, books, chats with family and friends.

1. I swore I would never again waste precious time on stuff I didn’t completely cherish.
2. Those vows are already slipping.
3. I am starting to take old pleasures for granted again and lapsing into old routines, checking Donald Trump tweets first thing in the morning, stressing about small stuff like how many articles I have written and what people think, and big stuff like climate breakdown and the collapse of nature.

The whole world feels stressed, out of kilter and in need of a shock to reset a healthy rhythm. I certainly don’t want to go back to the way things were before. I want to make the most of this restart. I haven’t fully worked out how to do that yet, though a perfect beginning was getting married last month (and disproving my wife’s suspicion that my heart was rebelling against our wedding plans.

### How many joules are in a car crash?

Inelastic Collision – Collisions between objects are governed by laws of momentum and energy. When a collision occurs in an isolated system, the total momentum of the system of objects is conserved. Provided that there are no net external forces acting upon the objects, the momentum of all objects before the collision equals the momentum of all objects after the collision.

1. If there are only two objects involved in the collision, then the momentum change of the individual objects are equal in magnitude and opposite in direction.
2. Certain collisions are referred to as elastic collisions.
3. Elastic collisions are collisions in which both momentum and kinetic energy are conserved.

The total system kinetic energy before the collision equals the total system kinetic energy after the collision. If total kinetic energy is not conserved, then the collision is referred to as an inelastic collision. The animation below portrays the inelastic collision between a 1000-kg car and a 3000-kg truck. In the collision between the truck and the car, total system momentum is conserved. Before the collision, the momentum of the car is +20000 kg*m/s and the momentum of the truck is -60000 kg*m/s; the total system momentum is -40000 kg*m/s. After the collision, the momentum of the car is -10000 kg*m/s and the momentum of the truck is -30 000 kg*m/s; the total system momentum is -40000 kg*m/s.

• The total system momentum is conserved.
• The momentum change of the car (-30000 kg*m/s) is equal in magnitude and opposite in direction to the momentum change of the truck (+30000 kg*m/s),
• An analysis of the kinetic energy of the two objects reveals that the total system kinetic energy before the collision is 800000 Joules (200000 J for the car plus 600000 J for the truck).

After the collision, the total system kinetic energy is 200000 Joules (50000 J for the car and 150000 J for the truck). The total kinetic energy before the collision is not equal to the total kinetic energy after the collision. A large portion of the kinetic energy is converted to other forms of energy such as sound energy and thermal energy.

#### How many joules is a punch?

How Many Foot-Pounds Is the Average Punch? – Foot-pounds are a measure of energy, unlike psi, which measures pressure. So, when determining how many foot-pounds is the average punch, we’re determining how much energy goes into one average human punch.

First, let’s look at some numbers that we know and have. In 1955, Rocky Marciano was measured at 925 foot-pounds, which was an astonishing amount of energy behind a punch back then; and still is today. Some assume that guys like Mike Tyson or Francis Ngannou go above 1000 foot-pounds with their hardest punches.

Just to put things in perspective, 1000 foot-pounds is 1355 joules, That’s approximately the same energy that a 197-lbs weight produces when dropped from five feet. If it lands on the right spot, it can literally kill a human. Of course, average humans can’t generate that kind of force with a punch.

An average person generates around 100-110 foot-pounds or 135-150 joules with their average punch. That’s like a basketball being dropped from a 15-story building. It’s still pretty hard, but it doesn’t have knockout power. Now, if an average human scores their hardest punch, we’d probably go up to 185-220 foot-pounds or 250-300 joules,

That’s the same energy as a brick falling from 32 feet. The brick would do more damage because of its density, but the energy is equivalent.

#### Is 1 joule the same as 1 watt?

Watts (W) and Kilowatts (kW) : – Watts are the SI unit of power, Kilowatts are equivalent to 1,000 Watts and are the most frequently used unit of electrical power. Power in general is defined as energy over time. Watts are defined as 1 Watt = 1 Joule per second (1W = 1 J/s) which means that 1 kW = 1000 J/s.

• A Watt is the amount of energy (in Joules) that an electrical device (such as a light) is burning per second that it’s running.
• So a 60W bulb is burning 60 Joules of energy every second you have it turned on.
• In return, you get a particular amount of light, also known as luminance.
• For more on luminance and an even more important measure (foot-candles), read here,

Example: If a room has one hundred 40W light bulbs running at once, you are using 4000 Watts (4000 Joules/second). Imagine getting the same (or better) lighting quality by using one hundred 5W lights instead. Now you’re only burning 500 watts. That’s only 12.5% as much energy as you were using before; a savings of 87.5%! Watts are an important part of developing your project and product criteria- learn more here!

### What is 1 joule equal to in newton Metres?

1 joule is equal to 1 newton meter. The ratio of joules to newton meters is 1:1.

### What is 1 joule equal to in kWh?

Joules to kWh conversion table

Energy (J) Energy (kWh)
1 J 0.0000002778 kWh
2 J 0.0000005556 kWh
3 J 0.0000008333 kWh
4 J 0.0000011111 kWh

1 kWh=3.6×106J.