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  • Calculating Momentum Change: Key Quantities & Formula
    To determine the change in an object's momentum, you need to know the following quantities:

    * Initial momentum: This is the momentum the object has before any forces act on it. It can be calculated using the formula:

    * p = mv

    * where 'p' is momentum, 'm' is mass, and 'v' is velocity.

    * Final momentum: This is the momentum the object has after the forces have acted on it. You can calculate it using the same formula:

    * p = mv

    * Mass: This is a fundamental property of the object and remains constant.

    Alternatively, you can directly determine the change in momentum by knowing:

    * Impulse: This is the product of the force acting on the object and the time over which the force acts.

    * Impulse = FΔt = Δp

    * Where F is force, Δt is the time interval, and Δp is the change in momentum.

    In summary:

    * To determine the change in momentum, you can either find the difference between the initial and final momentum or calculate the impulse acting on the object.

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