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  2. Kinetic energy - Wikipedia

    en.wikipedia.org/wiki/Kinetic_energy

    For example, for a speed of 10 km/s (22,000 mph) the correction to the non-relativistic kinetic energy is 0.0417 J/kg (on a non-relativistic kinetic energy of 50 MJ/kg) and for a speed of 100 km/s it is 417 J/kg (on a non-relativistic kinetic energy of 5 GJ/kg).

  3. Escape velocity - Wikipedia

    en.wikipedia.org/wiki/Escape_velocity

    Escape speed at a distance d from the center of a spherically symmetric primary body (such as a star or a planet) with mass M is given by the formula [2] [3] = = where: G is the universal gravitational constant (G ≈ 6.67 × 10 −11 m 3 ⋅kg −1 ⋅s −2 ‍ [4])

  4. Inelastic collision - Wikipedia

    en.wikipedia.org/wiki/Inelastic_collision

    In such a collision, kinetic energy is lost by bonding the two bodies together. This bonding energy usually results in a maximum kinetic energy loss of the system. It is necessary to consider conservation of momentum: (Note: In the sliding block example above, momentum of the two body system is only conserved if the surface has zero friction.

  5. Ballistic pendulum - Wikipedia

    en.wikipedia.org/wiki/Ballistic_pendulum

    The initial kinetic energy of the system = (+) Taking the initial height of the pendulum as the potential energy reference ( U i n i t i a l = 0 ) {\displaystyle (U_{initial}=0)} , the final potential energy when the bullet-pendulum system comes to a stop ( K f i n a l = 0 ) {\displaystyle (K_{final}=0)} is given by U f i n a l = ( m b + m p ...

  6. Coefficient of restitution - Wikipedia

    en.wikipedia.org/wiki/Coefficient_of_restitution

    0 < e < 1: This is a real-world inelastic collision, in which some kinetic energy is dissipated. The objects rebound with a lower separation speed than the speed of approach. e = 1: This is a perfectly elastic collision, in which no kinetic energy is dissipated. The objects rebound with the same relative speed with which they approached.

  7. Relativistic mechanics - Wikipedia

    en.wikipedia.org/wiki/Relativistic_mechanics

    Due to kinetic energy and binding energy, this quantity is different from the sum of the rest masses of the particles of which the system is composed. Rest mass is not a conserved quantity in special relativity, unlike the situation in Newtonian physics.

  8. Specific kinetic energy - Wikipedia

    en.wikipedia.org/wiki/Specific_kinetic_energy

    The specific kinetic energy of a system is a crucial parameter in understanding its dynamic behavior and plays a key role in various scientific and engineering applications. Specific kinetic energy is an intensive property, whereas kinetic energy and mass are extensive properties. The SI unit for specific kinetic energy is the joule per ...

  9. Circular orbit - Wikipedia

    en.wikipedia.org/wiki/Circular_orbit

    The height of the kinetic energy remains constant throughout the constant speed circular orbit. The specific orbital energy is negative, and = = Thus the virial theorem [1]: 72 applies even without taking a time-average: [citation needed] the kinetic energy of the system is equal to the absolute value of the total energy; the potential energy ...