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    Physics A-Level

    Collisions, decays and annihilation processes

    What Collisions, decays and annihilation processes means in Physics A-Level, as defined for AQA.

    Definition of Collisions, decays and annihilation processes

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    Interactions in which the total energy and the total momentum of the system remain constant, whether a collision, decay or annihilation.
    AQA · Applications of conservation laws (study guide)

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