Two particles A and B are projected simultaneously from a fixed point of the ground. Particle A i...

Two particles A and B are projected simultaneously from a fixed point of the ground. Particle A is projected an a smoath inorizontal surface with speed v, while particle Bis projected in air with speed 2 v/√(3) If particle B hits the particle A, the angle of projection, of B with the vertical is
(a) 30^n
(b) 60^a
(c) 45 "
(d) Both (a) and (b)

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