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=== === Since momentum is a vector and not a scalar quantity, to have the same momentum, they must have the same direction. Remember, vectors have magnitude and direction. Speed is the magnitude part of velocity. Since momentum is the product of mass (a scalar) and velocity (a vector) if two objects are moving in different directions, even if they have the same mass and speed, their momentums are different.

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βˆ™ 2007-11-17 22:20:12
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Q: If two objects have the same momentum do their velocities necessarily have the same directions?
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Damage is more when two bodies collide from opposite directions than when they collide at any other angle.Is it due to the momentum of the objects or their relative velocities?

It is due to the momentum of the two bodies.


If two objects have the same momentum do their magnitudes necessarily have the same directions?

First of all ... I think you're talking about either the magnitude of the momentum, or the magnitudeof the velocity, not the magnitude of the objects.Now ... you're obviously skating around the subject of vectors here, recognizing that both thevelocity and the momentum are vector quantities.If, as you say, the two objects have " ... the same momentum ... ", then you're saying that theirmomentum vectors are equal. If so, then you'd have to say that yes, since the momentum vectorsare equal, the momentum vectors and the velocity vectors must all have the same direction.But if the two momenta only have equal magnitudes, then they ... and the velocities ... can be inany two directions, not necessarily related.


How is it possible for two objects to have the same momentum but different velocities?

The momentum product can be the same with different velocities; m1V=m2rV thus m1/m2=r ratio with V1=rV1.


Can momenta cancel?

Yes. If the force of momentum is equal in both directions, the momentum will cancel. This can occur if two objects with equal momentum traveling in different directions collide.


How is it possible for two objects to have the same momentum but different velocities.?

momentum is mass x velocity, so if they have the same momentum but velocity is different then mass is also different


Compare how two objects moving at the same speed could have different velocities?

Velocity is a vector; to specify velocity, you indicate a speed (a magnitude), and a direction. If two objects move in different directions, their velocities will be different, even if their speeds are the same.Velocity is a vector; to specify velocity, you indicate a speed (a magnitude), and a direction. If two objects move in different directions, their velocities will be different, even if their speeds are the same.Velocity is a vector; to specify velocity, you indicate a speed (a magnitude), and a direction. If two objects move in different directions, their velocities will be different, even if their speeds are the same.Velocity is a vector; to specify velocity, you indicate a speed (a magnitude), and a direction. If two objects move in different directions, their velocities will be different, even if their speeds are the same.


How can it be possible for two objects with different velocities to have the same momentum?

Because momentum is equal to mass times velocity, so if they have different velocity the momentum will be equal if the masses are right. Momentum is also equal to force times time.


Momentum of a system is conserved only when?

When no momentum is exchanged with other objects/systems.When no momentum is exchanged with other objects/systems.When no momentum is exchanged with other objects/systems.When no momentum is exchanged with other objects/systems.


What is a example of a momentum of zero?

An object at rest. Actually that's the only possible example for a single object. For two objects, you can have objects moving in opposite directions; for example, one may have a momentum of +100 units, and the other, a momentum of -100 units.


When does two objects traveling at the same speed have different velocities?

When they travel in different directions, obviously, since velocity is made up of a speed and a direction.


When objects collide what happens to the total momentum of all objects?

Nothing. The momentum of individual objects may change but total momentum is conserved.


How do you increase or decrease an objects momentum?

In order to increase an objects momentum, you must increase the objects velocity or mass. To decrease momentum, you reduce the objects velocity or mass.

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