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    Further Mathematics GCSE

    Perfectly Inelastic Collision

    What Perfectly Inelastic Collision means in Further Mathematics GCSE, as defined for OCR.

    Definition of Perfectly Inelastic Collision

    A collision where $e=0$. The objects coalesce (stick together) and move with a common velocity. Maximum kinetic energy is lost.
    OCR · Mechanics (study guide)

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    Using Perfectly Inelastic Collision in the exam

    Definition questions usually carry one or two marks, and examiners look for the precise wording. Write the definition from memory, check it against the version above, and then use the term in a longer answer on the same topic so it sticks.

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