Three particles each of mass m are located at vertices of an equilateral triangle ABC. They start moving with equal speeds each along the meridian of the triangle and collide at its center G. If after collisions A comes to rest and B returns its path along GB, then C

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also comes to rest

moves with a speed along CG

moves with a speed along BG

moves with a speed along AG

answer is C.

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Detailed Solution

velocity of C is v and this is opposite to B.

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