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If energy is neither created nor destroyed then from where do we get energy?

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Science Teacher

It changes from one form of energy to other form or energy. Eg: like a ball falling from height have potential energy initially when at rest and when it keeps on falling it turns into kinetic energy
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M.Sc(physics)

the energy stored in the form of potential energy son time we called internal enegry.when we do some work on to matter the energy released in the form of light or radiation etc
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Science Teacher

It changes from one form of energy to other form or energy. Eg: like a ball falling from height have potential energy initially when at rest and when it keeps on falling it turns into kinetic energy
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Science Teacher

It changes from one form of energy to other form or energy. Eg: like a ball falling from height have potential energy initially when at rest and when it keeps on falling it turns into kinetic energy
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Science Teacher

It changes from one form of energy to other form or energy. Eg: like a ball falling from height have potential energy initially when at rest and when it keeps on falling it turns into kinetic energy
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Related Questions

Which has more number of atoms, 100 grams of sodium or 100 grams of iron (given, atomic mass of Na = 23 u, Fe = 56 u)?
100 gm of sodium will have (Given mass / molar mass )x Avogadro's Number = (100/23) x 6.022 x 10^23 = 2.62 x 10^24 atoms 100 gms of Iron will have (100/56) x 6.022 x 10^23 = 1.07 x 10^24 atoms So 100 gms of Sodium will have more atoms.
Nasar
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If K and L shells of an atom are full, then what would be the total number of electrons in the atom?
10 electrons and if there are only k and l shell then the element will be helium
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Calculate the mass of 0.5 mole of N2 gas (mass from mole of molecule).
Molar mass of N2 is 28(since atomic weight of nitrogen is 14and forN2=14*2). So mass of 1 mole of N2 is 28g.Therefore mass of 0.5 mole is 28/2 =14g
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Sun: Largest source of energy is made up of?

Organic molecules.hydrocarbons.fossil fuels.hydrogen and carbon mainly.
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Which light has highest wave length?
Red colour light has highest wavelength.
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