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    Further Mathematics GCSE

    Coefficient of Restitution ($e$)

    What Coefficient of Restitution ($e$) means in Further Mathematics GCSE, as defined for OCR.

    Definition of Coefficient of Restitution ($e$)

    A fractional value between 0 and 1 representing the ratio of the relative speed of separation to the relative speed of approach.
    OCR · Mechanics (study guide)

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    Using Coefficient of Restitution ($e$) 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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