
#1
Apr2912, 03:23 PM

P: 64

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 ! 


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