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  2. Recoil - Wikipedia

    en.wikipedia.org/wiki/Recoil

    The recoil force only acts during the time that the ejecta are still in the barrel of the gun. The counter-recoil force is generally applied over a longer time period and adds forward momentum to the gun equal to the backward momentum supplied by the recoil force, in order to bring the gun to a halt.

  3. Free recoil - Wikipedia

    en.wikipedia.org/wiki/Free_recoil

    Free recoil / Frecoil is a vernacular term or jargon for recoil energy of a firearm not supported from behind. Free recoil denotes the translational kinetic energy ( E t ) imparted to the shooter of a small arm when discharged and is expressed in joules (J), or foot-pound force (ft·lb f ) for non-SI units of measure.

  4. Physics of firearms - Wikipedia

    en.wikipedia.org/wiki/Physics_of_firearms

    From Eq. 1 we can write for the velocity of the gun/shooter: V = mv/M. This shows that despite the high velocity of the bullet, the small bullet-mass to shooter-mass ratio results in a low recoil velocity (V) although the force and momentum are equal.

  5. Atomic recoil - Wikipedia

    en.wikipedia.org/wiki/Atomic_recoil

    In nuclear physics, atomic recoil is the result of the interaction of an atom with an energetic elementary particle, when the momentum of the interacting particle is transferred to the atom as a whole without altering non-translational degrees of freedom of the atom.

  6. Mössbauer effect - Wikipedia

    en.wikipedia.org/wiki/Mössbauer_effect

    In a solid, the nuclei are bound to the lattice and do not recoil in the same way as in a gas. The lattice as a whole recoils but the recoil energy is negligible because the M in the above equation is the mass of the whole lattice. However, the energy in a decay can be taken up or supplied by lattice vibrations.

  7. Muzzle energy - Wikipedia

    en.wikipedia.org/wiki/Muzzle_energy

    Pellet exiting muzzle, with formula for energy overlaid.. Muzzle energy is the kinetic energy of a bullet as it is expelled from the muzzle of a firearm. Without consideration of factors such as aerodynamics and gravity for the sake of comparison, muzzle energy is used as a rough indication of the destructive potential of a given firearm or cartridge.

  8. Power factor (shooting sports) - Wikipedia

    en.wikipedia.org/wiki/Power_factor_(shooting_sports)

    In both the open and standard rifle divisions, minor power factor is dominating due to less recoil, and 5.56×45mm/ .223 Rem is a common caliber. Ammunition loaded to major power factor such as 7.62×51 mm/ .308 Win has a bigger recoil impulse, and is regarded as having an advantage on stages with targets at long range.

  9. Elastic collision - Wikipedia

    en.wikipedia.org/wiki/Elastic_collision

    as functions ⁡ is even we get two solutions: = = + from the last equation, leading to a non-trivial solution, we solve and substitute into the dependent equation, we obtain and then , we have: = + + = + +