What is energy that can not be created or destroyed?

Answer 1

Yes...cannot be lost. However, quantum theory says that at sufficiently high speeds mass becomes energy.

[Example: A fission or fusion reaction, in both cases a tiny bit of matter is lost and enormous energy gained when an atom is broken open.]

It follows that energy would become mass if one could slow it down enough. Aside from a nuclear reaction, the only thing that changes with energy is the state....kinetic energy, static energy, etc.

The famous "E=MC^2" works as follows:

E = Energy

M = Mass

C = The speed of light

Energy equals mass times the speed of light squared....a lot of potential energy in mass.

Answer 2

According to many theories the amount of energy in the universe is finite so none can be created nor destroyed.

For example a candle when it burns, the energy in the chemical bonds of the wax is transformed into heat and light when the candle burns. The heat and light dissipate into the surroundings heating and illuminating but the energy is not destroyed, it just changes form.

The wax came from petrochemicals or animals or vegetables which converted solar energy into compounds that made up the wax.

Answer 3

No. The Law of Conservation of Energy states that energy can NOT be converted or destroyed. Any law that states that would be contrary to all evidence we have. It would also not be appropriate to call such a law a "conservation" law - a conservation law is a law where some magnituded DOES NOT change.

Answer 4

It's a really good question!

That idea comes from the First law of Thermodynamics and the Law of Energy Conservation. "Energy cannot be created or destroyed, it can only be transferred or transformed."

Well, to be precise, you can't create energy from no where. Also, you can't just make it vanish into no where. It's gotta come from somewhere and go to somewhere. Same with the idea that, 'Only from life arises life.' As you know everything happens in a cycle.

Let's take for instance, you can't create heat, but you can change light energy or sound energy from fire or star into heat energy(It is transformed not created). Also, as the second Law of Thermodynamic states, "Energy will only move from area of less energy to area of more energy." Which means that it's the law of Distribution. So, the heat is not destroyed or vanish into nowhere, it just distribute into area with less heat, so to speak (it is transferred and not destroyed).

Answer 5

yes this is true,but also should be added is that the sum of all the energies in the system is a constant.

Answer 6

The law of conservation of energy

Answer 7

Law of conservation of energy

Answer 8

The answer is yes.