Two small spheres A and B, with masses of 2.5 kg and 1 kg, respectively, are connected by a rigid rod of negligible mass. The two spheres are resting on a horizontal, frictionless surface when A is suddenly given the velocity V0 = 3.5 m/si. Determine

(a) The linear momentum of the system and its angular momentum about its mass center G,

(b) The velocities of A and B after the rod AB has rotated through 180?.

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A B 210 mm vo