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What is meant by total momentum of a system give an example using a collision?
Dianaalavez
The total momentum of a system is a measure of motion of one thing equal to the product of the same mass and velocity. This can also be called linear momentum as well as total momentum.
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∙ 10y ago
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Need an explanation why kinetic energy is always conserved during elastic collision what is meant by conserved?
In this context "conserved" means the total kinetic energy of all the objects is the same after the collision as before the collision. Note, the TOTAL is the same but the individual kinetic energies of each object may be different before and after. When two or more objects are about to collide they have a certain total kinetic energy. It is common that during the collision some of the kinetic energy is transformed into heat. So after the collision the total kinetic energy is less then before the collision. This is a non-elastic collision. There are some collisions, however, in which none of the kinetic energy is changed to heat. These are called ELASTIC collisions. So the total kinetic energy doesn't change, or is "conserved". There is another possible non-elastic collision. If during the collision there is an explosion, then its possible for the objects to have a larger total kinetic energy after the collision as they aquire some of the explosive energy. Finally note, that in all collisions the TOTAL vector momentum is the same just before and just after the collision. So in a collision momentum is always conserved.
What is meant by the term momentum trading?
The term 'momentum trading' means buying stocks that are moving in one direction quickly. They buy the stocks in large numbers and hold onto them for a few minutes, hours or days.
What is meant by momentum of a body?
Classically momentum is the product of the mass and velocity of an object. In relativistic mechanics, in order to be conserved, the momentum of an object must be defined as p=γm0v where m0 is the invariant mass of the object and γ is the Lorentz factor, given by γ=1/(Sqrt(1-(v/c)2) where v is the speed of the object and c is the speed of light.
What do closed systems not exchange?
This depends on what is meant by "closed system". If you are doing thermodynamics, this seemingly English language phrase means systems which exchange energy in or out of the system, but not mass: no mass in / no mass out. If you really understand physics you will recognize some nonsense here, because energy has mass. But, it works for thermodynamics. For other areas of science, a more appropriate definition is no exchange of energy of any kind, no exchange of mass of any kind, no exchange of momentum of any kind. Perhaps such a system should be called an isolated system.
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Need an explanation why kinetic energy is always conserved during elastic collision what is meant by conserved?
In this context "conserved" means the total kinetic energy of all the objects is the same after the collision as before the collision. Note, the TOTAL is the same but the individual kinetic energies of each object may be different before and after. When two or more objects are about to collide they have a certain total kinetic energy. It is common that during the collision some of the kinetic energy is transformed into heat. So after the collision the total kinetic energy is less then before the collision. This is a non-elastic collision. There are some collisions, however, in which none of the kinetic energy is changed to heat. These are called ELASTIC collisions. So the total kinetic energy doesn't change, or is "conserved". There is another possible non-elastic collision. If during the collision there is an explosion, then its possible for the objects to have a larger total kinetic energy after the collision as they aquire some of the explosive energy. Finally note, that in all collisions the TOTAL vector momentum is the same just before and just after the collision. So in a collision momentum is always conserved.
What is meant when someone says that an athletic team has a lot of momentum or less its momentum?
More momentum would mean that the team has recently won several games or matches, and opposite for less momentum.
What is meant by momentum?
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Collision is meant to cover your car when it collides with something else. Comprehensive is also sometimes called other than collision, so it usually covers the other things that can happen such as fire or theft.
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Simply put, four-momentum transfer is the special relativistic spacetime analog of classical (three-) momentum transfer. In classical physics, two bodies can interact and exchange momentum in three spacial dimensions. In particle physics, strictly spatial momentum vectors do not suffice. Instead we use four-momentum, a Lorentz vector. Four-momentum transfer is often referred to as Q^2 is particle physics literature. An interaction that transfer a large amount of four-momentum is a high Q^2 interaction.
What is meant by the term momentum trading?
The term 'momentum trading' means buying stocks that are moving in one direction quickly. They buy the stocks in large numbers and hold onto them for a few minutes, hours or days.
What is meant by momentum of a body?
Classically momentum is the product of the mass and velocity of an object. In relativistic mechanics, in order to be conserved, the momentum of an object must be defined as p=γm0v where m0 is the invariant mass of the object and γ is the Lorentz factor, given by γ=1/(Sqrt(1-(v/c)2) where v is the speed of the object and c is the speed of light.
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An emperor imprisons all citizens who oppose him, ignoring laws meant to protect speech.
