0
E = mc2, where E is energy in Joules, m is mass in kg, and c is speed of light,
3.0 x 108m/s.
E = mc2 = 5.0kg x (3.0 x 108m/s)2 = 4.5 x 1017kg•m2/s2 = 4.5 x 1017Joules
================================
If E = m c2 ... and I have neither cause nor desire to dispute the claim ...
then
E = (5) x (3 x 108)2 = 4.5 x 1017joules.
Technically and mathematically, that's the complete answer. But for most of us,
there's nothing to say 'Wow' about yet. It doesn't mean anything without a
comparison.
I looked around for something to compare it to. Here's a paragraph I found on line.
I'll copy it here, with a warning: While handling it, I accidentally learned something:
"Braidwood Generating Station is located in Will County in northeastern Illinois, USA.
The nuclear power plant serves Chicago and northern Illinois with electricity. The plant
was originally built by Commonwealth Edison company, and subsequently transferred
to Com Ed's parent company, Exelon Corporation. This station has two Westinghouse
pressurized water reactors. Unit #1 came online in July 1987. Unit #2 came online in
May 1988. The units are licensed by the Nuclear Regulatory Commission to operate
until 2026 and 2027. The recent power uprates at Braidwood make it the largest
nuclear plant in the state, generating a net total of 2,242 megawatts."
OK. Right at the end there, those numbers, that's what I was looking for.
Braidwood is the largest nuclear plant in Illinois, and when it runs wide open,
pedal to the metal, it can deliver 2,242 megawatts.
At that rate, how long would it take Braidwood to deliver 4.5 x 1017 joules,
running around the clock, with no lunch breaks ?
The answer I get is: Almost 6.4 years .
Now we have something to 'Wow' about.
Wiki User
∙ 11y ago
Wiki User
∙ 6y agoThe force of gravity is not in kilogram; the kilogram is a unit of mass, not a unit of force.The force of gravity is equal to mass x gravity (the gravitational field); near Earth's surface, this gravitational field is approximately 9.8 newton per kilogram.
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What is the weight of boy mass 50 kg?
On earth, 50 kg of mass weighs 490 newtons (110.2 pounds).
What is the gram of mass50 kg?
what is the gram of mass 50 kg
How you can calculate the amount of energy obtained from converting 1000 kg of mass?
To get the energy equivalent, you multiply the mass by c2 = (3x108 m/s)2. The answer is in Joules. Please note that this doesn't necessarily mean that it is possible to convert such a mass. This is only possible in special cases - for example, if you combine 500 kg of normal matter and 500 kg of antimatter.
How many Pound is 50 kg?
It is 110.231 lbs (approx.). Kilogram is the SI unit of mass and pound is an imperial unit of mass. To convert from kg to pound, multiply the kg unit by 2.20462.
What is the potential energy of a 12.1 kg mass 17.1 m above the ground?
The potential energy of a 12.1 kg mass 17.1 m above the ground is 2,027.72 joules.
How a physicist uses E equals mc squared?
Any mass has an energy equivalent, and any energy has a mass equivalent. This formula gives the conversion factor: 1 kg of mass is equivalent to mc2 joules of energy, that is, to (1 kg) x (3 x 108 m/s)2, or 9 x 1016 joule.
What is the weight of a 50 kg mass on earth?
50 Kg of course !
What is the mass in kg of 50 liters of gasoline with a specific gravity of0.82?
Mass = sg * volume = 0.82 * 50 kg = 41 kg
How many 50g cans have a total mass of 2 kg?
You need to convert the 2 kg to grams, then divide the equivalent in grams by 50 grams.
What is the weight of boy mass 50 kg?
On earth, 50 kg of mass weighs 490 newtons (110.2 pounds).
What is the gram of mass50 kg?
what is the gram of mass 50 kg
How you can calculate the amount of energy obtained from converting 1000 kg of mass?
To get the energy equivalent, you multiply the mass by c2 = (3x108 m/s)2. The answer is in Joules. Please note that this doesn't necessarily mean that it is possible to convert such a mass. This is only possible in special cases - for example, if you combine 500 kg of normal matter and 500 kg of antimatter.
What is the gravitational force acting on a ball that has a mass 50 kg?
On or near the surface of the Earth, 50 kg of mass weighs 490 newtons (110 pounds). (rounded) Note: That's also the weight of the Earth on or near the surface of the 50 kg mass.
Why does heavier object have a greater momentum if light and heavy object have the same kinetic energy?
Well, the equation for momentum is mass x velocity. So, p (momentum)= m x v. The equation for kinetic energy is m x v(squared)/2. Let's say that there are two objects. One is 50 kg, and the other is 30 kg. These objects can both have the same kinetic energy, even though one of them has a larger mass. The determining factor in them both having the same kinetic energy, even though one of them has a larger mass is because of different velocities. The 50 kg object has a velocity of 7 meters/second, and the 30 kg object has a velocity of 9.036961141 meters/second. If you do the math, they both have the same kinetic energy (about the same). 50 kg x 7 m/s = 350 kg x m/s. 30 kg x 9.036961141 = 271.1088342. There is an inverse relation between the momentum of an object and its mass. The mass is the factor that influences momentum more than the velocity; that is why an object with a greater mass will have a greater momentum than the one with a lesser mass, only if they both have the same kinetic energy.
What is the Ek - kinetic energy - of a soccer ball which has a mass of 1 kg and is kicked at a velocity of 10m per s?
Since Ek (kinetic energy) is Ek = 1/2 m v² 0.5 x 1 kg x (10m/s)² = 50 kg∙m/s² = 50 J J is Joules
How much is 1 kg equivalent to on the sun?
It will be 1 kg, since a gram is a measurement of mass, not weight. Mass never changes.
Converting kilograms to Joules?
Kilograms are mass units, Joules are energy units. You could use Einstein's energy-mass equivalence and multiply the mass (in kg) by the speed of light (in m/s) squared; that would give you the energy equivalent in Joules of a given mass.
