Change in momentum
  Is the same thing as impulse;
    Equivalency! 

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See, equivalence!
  Impulse/Δmomentum;
    They are the same thing; 

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1:1 ratio;
  Impulse equals the change in
    Momentum - oh, my! 

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J is ΔP;
  J is the same as impulse;
    P is momentum;