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28.5 Relativistic Momentum

- The shift is easy to observe.
- This equation can be used for a lot of things, from transportation to storm monitoring.
- The motion and distance of stars are provided by the relativistic Doppler shift.

- A space probe would move away from the Earth at a fast pace.
- It sends a radio wave message back to the Earth.

- The University of California at Berkeley and the University of California at Davis have football players.
- The impact of players with more mass is larger.
- The effect is even greater for objects moving at high speeds.

- The product of mass and velocity is momentum.
- When special relativity is taken into account, massive objects have a speed limit.

- One of the most important concepts in physics is momentum.
- In terms of momentum, the broadest form of the second law is stated.
- The net external force on a system is zero.
- It's a fundamental tool for analyzing crashes.
- All of Work, Energy, and Energy Resources is devoted to momentum, and it has been important for many other topics as well.
- Modern physics has the same importance as momentum.
- Much of what we know about the structure of matter comes from the analysis of collisions.

- The laws of physics are the same in all frames according to the first postulate of relativity.
- The answer is yes if the momentum is defined as follows.

- We use velocity here to distinguish it from relative velocity.
- One observer is being considered.
- When the net external force is zero, the total momentum is the same as in classical physics.
- The classical at low velocities has the same quantity as the relativistic one.
- At low velocities, the classical is due to the fact that relativistic momentum is nearly equal to 1

- Similar to classical momentum, illusory momentum has an intuitive feel.
- Because of the factor, it is the best for large mass moving at high speeds.
- An object with mass can't reach the speed of light.
- It would become an unreasonable value if it did.

- The speed of light affects the radiative momentum of an object.

- In older textbooks, the definition of momentum can be used to imply that mass varies with velocity.
- The mass of the object is measured by a person at rest relative to the object.
- The rest mass could be measured using gravity.
- When a mass is moving relative to an observer, there is only one way to determine its mass.
- Rest mass is the only meaningful mass since the mass of a moving object can't be determined on its own.
- If we use the term mass, assume it to be the same as rest mass.

- The way in which momentum is defined will hold in all frames.
- The case for classical momentum is the same as the case for relativistic momentum.
- This has been verified many times.

- The relationship of momentum to energy is explored.
- The subject will give us our first inkling that objects without mass may have strength.

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