Why can't we use the Law of Conservation of Momentum to break the light barrier?

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Why can't we use the law of conservation of momentum to break the light barrier?

For example, let us take two objects of the same size with one thrice as heavier as the other one.Speed up the heavier object to a speed that is half of the speed of light and make it collide with the other object, which is at rest. Supposing the heavier object comes to rest.Then, by law of conservation of momentum, the other object is travelling faster than light. Bingo!Or is this too far-fetched?

Answer:

It might seem that way if you take only the nonrelativistic Newtonian formula p = mv. But it turns out...

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Other solutions

T/F: the law of conservation of momentum states: In the absence of an external force, the momentum of a system?

the law of conservation of momentum states: In the absence of an external force, the momentum of a system remains undefined. Is it a correct statement? a) correct b) Incorrect c) there is some error in this statement d) the concept of momentum applies...

Answer:

incorrect; the conservation of momentum states that in the absence of outside forces, the momentum of...

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If you spin a star at near the speed of light, then due to the conservation of angular momentum will it never collapse?

If the conservation of angular momentum dictates that when an object decreases in diameter, it's rotations per minute increases, then if you were to spin a star to near the speed of light, then would it not collapse because then it's angular momentum...

Answer:

After a few trillion billion quadrillion years it might slow down by a a small sliver

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How can you break the light barrier with only a paper airplane?

My friend did this the other day and it blew my mind. I thought nothing with mass could exceed the speed of light, but apparently if it has high surface area and low mass (such as a piece of paper) it CAN break the light barrier. Basically it's a really...

Answer:

You write upon the paper V > C

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What is the law of conservation of momentum...?

What is the law of conservation of momentum? How can you show that the law is true for two objects that collide

Answer:

The total momentum of a system is always the same. In Frederick's case, the total momentum of the two...

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Does the Cannae Drive disprove the law of conservation of momentum?

How can the Cannae Drive be possible and still allow the law of law of conservation of momentum to be right?

Answer:

Short guess: The drive doesn't work, and this is merely an experimental error. Conservation of momentum...

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Answer:

The velocity you measure in an object is normally measured relative to the earth. When the object stops...

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Answer:

Law of conservation of momentum for a single particle is nothing but Newton's second law of motion,...

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Physics: Law of Conservation of Momentum?

While standing still on a basketball court, you throw the ball to a teammate. Why do you not move backward as a result? Is the law of conservation of momentum violated?

Answer:

the law of conservation of momentum is never violated. You do at that very instant, move back a tiny...

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