Two identical balls marked 2 and 3, in contact with each other and at rest on a horizontal frictionless table, are hit head on by another identical ball marked 1 moving initially with a speed v as shown in figure. Assume the collision is elastic, then mark out the correct statement (a) Ball 2 comes to rest and ball 2 and 3 move with speed each (b) Ball 1 and 2 come to rest and ball 3 moves with speed v (c) Each ball moves with speed (d) None of the above 3

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