() m/s (B) 6m/s (C) 2m/s (D) 1m/s Three identical balls each of mass m = 0.5 kg are connected with each other as shown

(А) Зm/s 

(B) 6m/s 

(C) 2m/s 

(D) 1m/s 

Three identical balls each of mass m = 0.5 kg are connected with each other as shown in Figure and rest over a smooth horizontal table. At moment t = 0, ball B is imparted a horizontal velocity vo = 9ms-1. Calculate velocity of A just before it collides with ball C. A