Assertion: momentum | /r/HasProperty | conserved
Facets:
value: always
type: DEGREE
value: in physics
type: OTHER
value: as in any closed system
type: OTHER
value: between two interacting objects
type: OTHER
value: anyway
type: DEGREE
value: during an ‘event’
type: TEMPORAL
value: separately
type: MANNER
Source sentences:
text: Momentum is Conserved
text: Momentum is a conserved quantity, meaning that the total initial momentum of a system must be equal to the total final momentum of the system.
text: Momentum is a conserved object, meaning that the total initial momentum of a system must be equal to the total final momentum of a system.
text: The energy and the three-momentum are separately conserved quantities for isolated systems in the Lagrangian framework.
text: Momentum, the product of mass and velocity, is a conserved vector quantity applied to a mass in motion.
text: Hence four-momentum is conserved as well.
text: The 3-space momentum p is conserved.
text: And Momentum is also conserved!
text: Momentum is conserved whenever the net external force on a system is zero.
text: As momentum is conserved, the transfer of momentum occurs to crystal momentum.
text: The only collision that is perfect elastic is the collision between two photons,thus here momentum is conserved
text: The fourth really important point about momentum is that momentum is conserved; the total momentum of an isolated system is constant.
text: If two objects (a car and a truck, for example) collide, momentum will always be conserved.
text: Momentum is always conserved, though, so, using c for car and t for truck, (and f for final) the conservation of momentum equation is:
text: With this convention, two people of equal mass coming together from opposite directions at the same speed would have total momentum zero, so if they came to a complete halt after meeting, as described above, the total momentum before the collision would be the same as the total after—that is, zero—and momentum would be conserved.
text: Nevertheless, we do know that momentum will be conserved anyway, so if, for example, the two objects stick together, and no bits fly off, we can find their final velocity just from momentum conservation, without knowing any details of the collision.
text: This means that momentum is always conserved during an ‘event’.
text: It is important to release that the momentum is conserved only when there are no external agent acting on the system that could add momentum to the system.
text: is a collision where the both the momentum and the kinetic energy are conserved.
text: So far we have considered the elastic collisions where both the kinetic energy and momentum are conserved.
text: In an explosion, the inital momentum is zero, after the explosion the outgoing pieces move out in opposite directions so the momentum is conserved.
text: For open channel flow calculations where momentum can be assumed to be conserved, such as in a hydraulic jump, we can equate the Momentum at an upstream location,M 1 , to that at a downstream location, M 2 , such that:
text: By contrast, between positions 2 and 3, turbulence in the hydraulic jump dissipates energy, while the momentum can be assumed to be conserved.
text: Choose the system such that there are external forces only in the y direction; then momentum is conserved in x and z (e.g. billiard ball collisions).
text: Given that we can assume momentum is conserved there are two classes of collisions
text: Additionally consider that each vigor and momentum are conserved.
text: What it means to say that momentum is conserved is that momentum is the same before and after the collison.
text: As in any closed system, momentum would be conserved.
text: because momentum is conserved because velocity is conserved because both velocity and momentum are conserved only if the mass of the bullet equals the mass of the gun none of these
text: because momentum is conserved because velocity is conserved because both velocity and momentum are conserved only if the mass of the bullet equals the mass of the gun none of these
text: Determine the magnitude and direction of the system momentum before and after the collision and identify whether or not momentum is conserved.
text: One might define momentum to be a quantity which is conserved when physical objects collide.
text: In a closed system (draw a box around it large enough to contain all the bodies under consideration) momentum is always conserved.
text: Thus momentum is conserved between two interacting objects, when no presence of external forces exists.
text: So Lagrangian mechanics shows that momentum being conserved is equivalent to the Lagrangian not depending on the absolute positions of the particles…
text: When the momentum is constant, we say the momentum is conserved.
text: If there is a force, then momentum is changed, but if there is no force, momentum is conserved.
text: That's what it means to say momentum is conserved.
text: Furthermore, if all the masses and velocities involved are accounted for, the vector sum, magnitude and direction, of the momentum of all the bodies involved does not change; hence, momentum of the system is conserved.
text: If the momentum is conserved, the new velocity of the combined object is 18.60 m/s.
text: If the system always displays the same behaviour as before it was moved in either space or time, then its momentum (translations), angular momentum (rotation) and energy (time translation) are conserved.
text: But if momentum is conserved, the forces between any two isolated particles locked in an orbit must be of the inverse square type as given in Bertrand theorem.
text: This fact is expressed in physics by saying that energy, momentum, and angular momentum are conserved.
text: Momentum is a conserved quantity, meaning that the total momentum of any closed system cannot be changed.
text: Momentum is a conserved quantity, meaning that the total initial momentum of a system must be equal to the total final momentum of the system.
text: Momentum is a conserved quantity in physics.
text: Momentum is a conserved quantity; the momentum of an object is never changed.
text: momentum is also a conserved quantity, meaning that if a closed system is not affected by external forces, its total linear momentum cannot change.
text: Momentum is a conserved quantity, meaning that the total momentum of any closed system (one not affected by external forces) cannot change.