(chatquestion)...Two ivory balls are placed together at rest. A third identical ball moving with velocity u in line of first two balls 5 shown in figure collide head on elastically then 20 O Third ball comes to rest with second ball while first ball moves with speed u - Third ball comes to rest and other two move together with speed 2 All three ball move together with speed 3 All three ball move in such a manner each makes angle 120° to each other bitting the floor the

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