Two particles A & B of masses m and 2m respectively are connected through a spring in its natural length. They are projected directly away from each other along spring with the same speed. Mark the co

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Two particles A & B of masses m and 2m respectively are connected through a spring in its natural length. They are projected directly away from each other along spring with the same speed. Mark the correct statement(s) :

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v c m ​ = 3 m m v − 2 m v ​ = − 3 v ​ . At maximum separation the relative velocity is zero, so both particles move with the COM velocity: same speed 3 v ​ , same direction. (A) correct. Each particle oscillates about the COM motion; A's velocity ranges from v to − 3 5 v ​ and B's from − v to 3 v ​ - both pass through zero, so minimum speeds are zero. (C) correct. Answer: (A), (C)

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