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Which can be described as in an isolated system momentum is always conserved?
Wiki User
∙ 13y ago
Briefly, the only way for an object to change its momentum is by transferring momentum to another object - in other words, the other object will receive a change in momentum in the opposite direction.
Wiki User
∙ 13y ago
Wiki User
∙ 13y agoBecause energy can't just disappear or reappear. It must be maintained, this is a fundamental property of energy.
Wiki User
∙ 6y agoMomentum is always conserved in this case.
Wiki User
∙ 13y agoLaw of conservation of momentum.
Wiki User
∙ 14y agoCorrect.
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When momentum can be conserved?
Momentum is always conserved. No matter what the collision, as long as you look at everything involved, momentum will always be conserved.
Is momentum conserved when two or more objects push away from each other?
Of course it is. Momentum is always conserved.
When is angular momentum conserved?
Always.Always.Always.Always.
When is momentum conserved?
its not possible.. momentum is always conservedYou could say that momentum, in its classical definition, is not conserved at relativistic velocities. Momentum is conserved at relativistic speeds if momentum is redefined as; p = γmov where mo is the "rest (invariant) mass" and γ is the Lorentz factor, which is equal to γ = 1/√(1-ʋ2/c2) and ʋ is the relative velocity. Some argue that the relativistic mass, m' = γmo, is unnecessary, in which case the proper velocity,defined as the rate of change of object position in the observer frame with respect to time elapsed on the object clocks (its proper time) can be used.Proper velocity is equal to v = γʋ, so p = mov. mo here is the invariant mass, where before it represented the "rest mass."The problem with Newton's p = mv, is that with this definition, the total momentum does not remain constant in all isolated systems, specifically, when dealing with relativistic velocities. Mass and or velocity is dependent on the relative velocity of the observer with respect to the isolated system.It is important to add that with this new definition momentum is conserved. With that said, my point is not to argue that momentum is not always conserved but to simply offer an explanation for the relatively (no pun intended) common statement "momentum is not conserved in ALL isolated systems" which could be where the original question stems from.
Does momentum conserved during collisions?
Energy, if collision is rigid, total momentum is a constant also.
When momentum can be conserved?
Momentum is always conserved. No matter what the collision, as long as you look at everything involved, momentum will always be conserved.
Is momentum conserved when two or more objects push away from each other?
Of course it is. Momentum is always conserved.
Why is the momentum of a roller skater is not conserved?
The situation is not quite clear. Total momentum is always conserved, but momentum can be transferred from one object to another.
When is angular momentum conserved?
Always.Always.Always.Always.
In a two body collision?
Momentum is always conserved
Is momentum conserved in a perfectly inelastic collision?
In any physical process, momentum will always be conserved. Momentum is given by p = m*v. There is also something called law of conservation of momentum.
When is momentum conserved?
its not possible.. momentum is always conservedYou could say that momentum, in its classical definition, is not conserved at relativistic velocities. Momentum is conserved at relativistic speeds if momentum is redefined as; p = γmov where mo is the "rest (invariant) mass" and γ is the Lorentz factor, which is equal to γ = 1/√(1-ʋ2/c2) and ʋ is the relative velocity. Some argue that the relativistic mass, m' = γmo, is unnecessary, in which case the proper velocity,defined as the rate of change of object position in the observer frame with respect to time elapsed on the object clocks (its proper time) can be used.Proper velocity is equal to v = γʋ, so p = mov. mo here is the invariant mass, where before it represented the "rest mass."The problem with Newton's p = mv, is that with this definition, the total momentum does not remain constant in all isolated systems, specifically, when dealing with relativistic velocities. Mass and or velocity is dependent on the relative velocity of the observer with respect to the isolated system.It is important to add that with this new definition momentum is conserved. With that said, my point is not to argue that momentum is not always conserved but to simply offer an explanation for the relatively (no pun intended) common statement "momentum is not conserved in ALL isolated systems" which could be where the original question stems from.
Does momentum conserved during collisions?
Energy, if collision is rigid, total momentum is a constant also.
Is the total angular momentum conserved when there is a two car collision?
Total angular momentum is always conserved - there is no way you can violate that law. So, the answer is yes.
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.
What forces act against momentum?
I don't see how anything can "act against momentum"; momentum is always conserved. If there is friction, the movement of the object will be slowed down; but in this case, momentum is transferred to the air, or whatever is slowing down the object in question. Total momentum will be conserved.
The momentum before a collision of three objects is always greater than the momentum after the collision True or false?
False - the thing to remember is that momentum is conserved.
