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omega(AB)=("Relative velocity of A w.r.t...

`omega_(AB)=("Relative velocity of A w.r.t. B perpendicular to line AB")/("Sepration between a and B")`
`|(vec(v)_(AB))_(bot)|=v_(A) sin theta_(1)+v_(B) sin theta_(2)`
`r_(AB)=r`
`omega_(AB)=(v_(A) sin theta_(1)+v_(B) sin theta_(2))/(r)`
`(v_(AB))_(11)=v_(A) cos theta_(1)-v_(B) cos theta_(2)`
`(v_(AB))_(11) gt 0." "` Then A will approach B
`(v_(AB))_(11) lt 0. " "` Then B will separate from A

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