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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/Courses/Muhlenberg_College/MC%3A_Physics_121_-_General_Physics_I/05%3A__Relativity/5.10%3A_Relativistic_EnergyThe rest energy of an object of mass m is \(E_0 = mc^2\), meaning that mass is a form of energy. If energy is stored in an object, its mass increases. Mass can be destroyed to release energy. Relativi...The rest energy of an object of mass m is \(E_0 = mc^2\), meaning that mass is a form of energy. If energy is stored in an object, its mass increases. Mass can be destroyed to release energy. Relativistic energy is conserved as long as we define it to include the possibility of mass changing to energy. At extremely high velocities, the rest energy \(mc^2\) becomes negligible, and \(E = pc\).
- 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/13.07%3A_Relativistic_EnergyConservation of energy is one of the most important laws in physics. Not only does energy have many important forms, but each form can be converted to any other. We know that classically the total amo...Conservation of energy is one of the most important laws in physics. Not only does energy have many important forms, but each form can be converted to any other. We know that classically the total amount of energy in a system remains constant. Relativistically, energy is still conserved, provided its definition is altered to include the possibility of mass changing to energy, as in the reactions that occur within a nuclear reactor.
- https://phys.libretexts.org/Bookshelves/University_Physics/University_Physics_(OpenStax)/University_Physics_III_-_Optics_and_Modern_Physics_(OpenStax)/05%3A__Relativity/5.10%3A_Relativistic_EnergyThe rest energy of an object of mass m is \(E_0 = mc^2\), meaning that mass is a form of energy. If energy is stored in an object, its mass increases. Mass can be destroyed to release energy. Relativi...The rest energy of an object of mass m is \(E_0 = mc^2\), meaning that mass is a form of energy. If energy is stored in an object, its mass increases. Mass can be destroyed to release energy. Relativistic energy is conserved as long as we define it to include the possibility of mass changing to energy. At extremely high velocities, the rest energy \(mc^2\) becomes negligible, and \(E = pc\).
- 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/Courses/Grand_Rapids_Community_College/PH246_Calculus_Physics_II_(2025)/14%3A__Relativity/14.10%3A_Relativistic_EnergyThe rest energy of an object of mass m is \(E_0 = mc^2\), meaning that mass is a form of energy. If energy is stored in an object, its mass increases. Mass can be destroyed to release energy. Relativi...The rest energy of an object of mass m is \(E_0 = mc^2\), meaning that mass is a form of energy. If energy is stored in an object, its mass increases. Mass can be destroyed to release energy. Relativistic energy is conserved as long as we define it to include the possibility of mass changing to energy. At extremely high velocities, the rest energy \(mc^2\) becomes negligible, and \(E = pc\).
- https://phys.libretexts.org/Bookshelves/Relativity/Book%3A_Relativity_Lite_-_A_Pictorial_Translation_of_Einsteins_Theories_of_Motion_and_Gravity_(Straton)/01%3A_Chapters/1.02%3A_Mixmaster_UniverseTo prove Einstein’s famous mass-energy relationship most clearly, it helps to return to our graphic calculator from the previous chapter and figure out why it works so well for low-ish speeds.
- https://phys.libretexts.org/Bookshelves/College_Physics/College_Physics_1e_(OpenStax)/28%3A_Special_Relativity/28.06%3A_Relativistic_EnergyConservation of energy is one of the most important laws in physics. Not only does energy have many important forms, but each form can be converted to any other. We know that classically the total amo...Conservation of energy is one of the most important laws in physics. Not only does energy have many important forms, but each form can be converted to any other. We know that classically the total amount of energy in a system remains constant. Relativistically, energy is still conserved, provided its definition is altered to include the possibility of mass changing to energy, as in the reactions that occur within a nuclear reactor.
- https://phys.libretexts.org/Courses/Muhlenberg_College/MC_%3A_Physics_213_-_Modern_Physics/01%3A__Relativity/1.10%3A_Relativistic_EnergyThe rest energy of an object of mass m is \(E_0 = mc^2\), meaning that mass is a form of energy. If energy is stored in an object, its mass increases. Mass can be destroyed to release energy. Relativi...The rest energy of an object of mass m is \(E_0 = mc^2\), meaning that mass is a form of energy. If energy is stored in an object, its mass increases. Mass can be destroyed to release energy. Relativistic energy is conserved as long as we define it to include the possibility of mass changing to energy. At extremely high velocities, the rest energy \(mc^2\) becomes negligible, and \(E = pc\).
