In the figure (i), (ii) and (iii) shown the objects, A,B and C are of same mass. String, spring and pulley are massless. C strikes B with velocity u in each case and stricks to it. The ratio of velocity of B in case (i) to (ii) to (iii) is-

In the figure (i), (ii) and (iii) shown the objects, A,B and C are of

1.	In the figure (i), (ii) and (iii) shown the objects, A,B and C are of same mass. String, spring and pulley are massless. C strikes B with velocity u in each case and stricks to it. The ratio of velocity of B in case (i) to (ii) to (iii) is-
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