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Law Of Restitution And Momentum

  1. Apr 29, 2012 #1
    let's assume that there are two ball of identical mass and one of the two is stationary . and the collision is NOT head on .

    I know that the law of restitution always applies ONLY to the line of impact of two bodies .What about momentum , is it conserved in both the line of impact AND the line perpendicular to it ?

    I am asking because i feel like the law of restitution is similar to momentum conservation so i feel like applying it "twice".

    Is momentum conserved in all axes regardless of whether 0≤e≤1 ?

    Thank you !
  2. jcsd
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