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No - However, energy and mass are conserved.
This is dictated by Einstein's most famous equation: ∆E=∆mc2
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Is energy is conserved when an atom emits a photon of light?
Energy is ALWAYS conserved. The appropriate sum of mass and energy is always conserved. If an atom emits a photon, the atom has less energy/mass, and the universe minus that atom has more energy/mass. It's like carrying some energy from here to there.
Which energy is always conserved?
kinetic energy..........
Is mechanical energy always conserved why or why not?
no it's not cuz if there is friction energy wont be conserved
Is the total energy of the car always conserved?
Basically, in physics, total energy is always conserved. Of course, it is possible for some of the energy from a car to go somewhere else.
Must energy always be conserved?
Matter and energy are always converted due to the theory of relativity.
Is energy is conserved when an atom emits a photon of light?
Energy is ALWAYS conserved. The appropriate sum of mass and energy is always conserved. If an atom emits a photon, the atom has less energy/mass, and the universe minus that atom has more energy/mass. It's like carrying some energy from here to there.
Does a rollercoaster obey the law of conservation of energy?
When you look closely enough, you find that EVERYTHING does.Better start getting accustomed to this idea - basically, in our Universe, energy is ALWAYS conserved. It really shouldn't be necessary to ask whether energy is conserved in specific cases - the answer will always be "yes".
Is machanical energy always conserved?
No. Total energy is always conserved, but not so mechanical energy.
Which energy is always conserved?
kinetic energy..........
Mechanical energy always conserved why or why not?
no it's not cuz if there is friction energy wont be conserved
Is mechanical energy always conserved why or why not?
no it's not cuz if there is friction energy wont be conserved
Is the total energy of the car always conserved?
Basically, in physics, total energy is always conserved. Of course, it is possible for some of the energy from a car to go somewhere else.
Why must energy always be conserved?
Park drive
Must energy always be conserved?
Matter and energy are always converted due to the theory of relativity.
The conservation of energy explains that energy?
The law of conservation of energy states that all energy in the universe is conserved. It can not be created nor destroyed, but it can be interchanged between mechanical and non-mechanical energy.
Will the total energy of a vibrating body is conserved if friction occur?
Energy is always conserved. When friction is present, the energy usually just turns into heat.
When to use law of momentum to find velocity rather than law of conservation of energy?
While energy is ALWAYS conserved, this isn't always useful for calculations, since MECHANICAL ENERGY - the energy that can be easily calculated - is NOT always conserved. On the other hand, momentum is always conserved, whether a collision is elastic or inelastic. (In an elastic collision, energy is also conserved.) Thus, conservation of momentum is often more useful for calculations involving collisions.
