Identify the next collision Collision condition: b Livio ⊙ approaching going away Collision time 2+2b;t:;+r;2-2=0 If bi2-vi(ri 2-02)0(condition for collision taking place effectively), the collision time is givenIdentify the next collision Collision condition: bij = rij .vij < 0 i j rij vij going away i j rij vij approaching Collision time: | rij + vij t ij | = s => vijt ij 2 + 2bijt ij +rij 2 - s 2 = 0 If bij 2 - vij 2 (rij 2 - s 2 ) 0 (condition for collision taking place effectively), the collision time is given by t ij = {- bij - [bij 2 - vij 2 (rij 2 - s 2 )] 1/2}/vij 2