A perfectly elastic ball p-1-of mass -m- moving with velocity collides elastically with three exactly similar balls p-2- - p-3- - p-4- lying on a smooth table- Velocities of the four balls after collision are0-0-0-0v-v-v-vv-v-v-00-0-0-v

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Toppr Admin · Accepted Answer

WhenP1andP2collide-theirmomentumisexchanged-sincethecollsioniselasticandthetwobodiesaresimilar-WhenP2andP3samethinghappens-ThusthemomentumofP1isfinallytransferredtoP4-P1-P2andP3willhavezerovelocityandP4willhavevelocity-v-

A perfectly elastic ball p1of mass 'm' moving with velocity v collides elastically with three exactly similar balls p2 , p3 , p4 lying on a smooth table. Velocities of the four balls after collision are0,0,0,0v,v,v,vv,v,v,00,0,0,v

WhenP1andP2collide,theirmomentumisexchanged(sincethecollsioniselasticandthetwobodiesaresimilar).WhenP2andP3samethinghappens.ThusthemomentumofP1isfinallytransferredtoP4.P1,P2andP3willhavezerovelocityandP4willhavevelocity=v.

A perfectly elastic ball $p_{1}$ of mass 'm' moving with velocity v collides elastically with three exactly similar balls $p_{2}$ , $p_{3}$ , $p_{4}$ lying on a smooth table. Velocities of the four balls after collision are

0,0,0,0
v,v,v,v
v,v,v,0
0,0,0,v