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- https://phys.libretexts.org/Bookshelves/Classical_Mechanics/Variational_Principles_in_Classical_Mechanics_(Cline)/17%3A_Relativistic_Mechanics/17.04%3A_Relativistic_KinematicsRelative differences between Newtonian and relativistic kinematics.
- https://phys.libretexts.org/Bookshelves/College_Physics/College_Physics_1e_(OpenStax)/28%3A_Special_Relativity/28.05%3A_Relativistic_MomentumThe law of conservation of momentum is valid whenever the net external force is zero and for relativistic momentum. Relativistic momentum is classical momentum multiplied by the relativistic factor. ...The law of conservation of momentum is valid whenever the net external force is zero and for relativistic momentum. Relativistic momentum is classical momentum multiplied by the relativistic factor. At low velocities, relativistic momentum is equivalent to classical momentum. Relativistic momentum approaches infinity as uu approaches cc . This implies that an object with mass cannot reach the speed of light. Relativistic momentum is conserved, just as classical momentum is conserved.
- https://phys.libretexts.org/Courses/Muhlenberg_College/MC_%3A_Physics_213_-_Modern_Physics/01%3A__Relativity/1.09%3A_Relativistic_MomentumThe law of conservation of momentum is valid for relativistic momentum whenever the net external force is zero. The relativistic momentum is p=γmu, where m is the rest mass of the object,...The law of conservation of momentum is valid for relativistic momentum whenever the net external force is zero. The relativistic momentum is p=γmu, where m is the rest mass of the object, u is its velocity relative to an observer, and the relativistic factor is γ=1√1−u2c2.
- https://phys.libretexts.org/Courses/Grand_Rapids_Community_College/PH246_Calculus_Physics_II_(2025)/14%3A__Relativity/14.09%3A_Relativistic_MomentumThe law of conservation of momentum is valid for relativistic momentum whenever the net external force is zero. The relativistic momentum is p=γmu, where m is the rest mass of the object,...The law of conservation of momentum is valid for relativistic momentum whenever the net external force is zero. The relativistic momentum is p=γmu, where m is the rest mass of the object, u is its velocity relative to an observer, and the relativistic factor is γ=1√1−u2c2.
- https://phys.libretexts.org/Courses/Muhlenberg_College/MC%3A_Physics_121_-_General_Physics_I/05%3A__Relativity/5.09%3A_Relativistic_MomentumThe law of conservation of momentum is valid for relativistic momentum whenever the net external force is zero. The relativistic momentum is p=γmu, where m is the rest mass of the object,...The law of conservation of momentum is valid for relativistic momentum whenever the net external force is zero. The relativistic momentum is p=γmu, where m is the rest mass of the object, u is its velocity relative to an observer, and the relativistic factor is γ=1√1−u2c2.
- https://phys.libretexts.org/Bookshelves/Relativity/Special_Relativity_(Crowell)/04%3A_Dynamics/4.03%3A_Relativistic_MomentumSince mass and energy are equivalent, we must stop talking about a material object’s kinetic energy and consider instead its total energy E, which includes a contribution from its mass. Massless parti...Since mass and energy are equivalent, we must stop talking about a material object’s kinetic energy and consider instead its total energy E, which includes a contribution from its mass. Massless particles always move at v=c , while massive ones always move at v<c .
- https://phys.libretexts.org/Bookshelves/Modern_Physics/Spiral_Modern_Physics_(D'Alessandris)/2%3A_The_Special_Theory_of_Relativity_-_Dynamics/2.1%3A_Relativistic_Momentum%2C_Force_and_EnergyOnce Einstein revolutionized our understanding of space and time, physicists were faced with a monumental task. All of physics, before Einstein, was based on the idea of absolute space and time. Once ...Once Einstein revolutionized our understanding of space and time, physicists were faced with a monumental task. All of physics, before Einstein, was based on the idea of absolute space and time. Once these concepts were found to be erroneous, all of classical physics had to be re-examined in this light. In this section, we will “re-examine” our understanding of momentum, force, and energy.
- https://phys.libretexts.org/Bookshelves/University_Physics/University_Physics_(OpenStax)/University_Physics_III_-_Optics_and_Modern_Physics_(OpenStax)/05%3A__Relativity/5.09%3A_Relativistic_MomentumThe law of conservation of momentum is valid for relativistic momentum whenever the net external force is zero. The relativistic momentum is p=γmu, where m is the rest mass of the object,...The law of conservation of momentum is valid for relativistic momentum whenever the net external force is zero. The relativistic momentum is p=γmu, where m is the rest mass of the object, u is its velocity relative to an observer, and the relativistic factor is γ=1√1−u2c2.
- https://phys.libretexts.org/Bookshelves/Conceptual_Physics/Introduction_to_Physics_(Park)/05%3A_Unit_4-_Modern_Physics_-_Quantum_Mechanics_Special_Relativity_and_Nuclear_and_Particle_Physics/13%3A_Special_Relativity/13.06%3A_Relativistic_MomentumThe law of conservation of momentum is valid whenever the net external force is zero and for relativistic momentum. Relativistic momentum is classical momentum multiplied by the relativistic factor. ...The law of conservation of momentum is valid whenever the net external force is zero and for relativistic momentum. Relativistic momentum is classical momentum multiplied by the relativistic factor. At low velocities, relativistic momentum is equivalent to classical momentum. Relativistic momentum approaches infinity as uu approaches cc . This implies that an object with mass cannot reach the speed of light. Relativistic momentum is conserved, just as classical momentum is conserved.
