In figures (a), (b) and (c) 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 sticks it. The ratios of Velocities of B in case (a) to (b) to (c) is
1:1:1
3:3:2
3:2:2
1:2:3
A
1:1:1
B
3:3:2
C
3:2:2
D
1:2:3
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