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Two spheres A and B of masses m1 and m2 respectively collide.A is at rest initially and B is moving with velocity v along x-axis.After collision B has a velocity v2 in a direction perpendicular to the original direction.The mass A moves after collision in the direction

(a)same as that of B

(b)opposite to that of B

(c)θ=tan-112to the xaxis

(d)θ=tan-1-12to the xaxis

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