Question: Two objects of masses m and 2m are moving at speeds of v and v/2, respectively. After undergoing a completely inelastic collision, they move

Two objects of masses m and 2m are moving at speeds of

Two objects of masses m and 2m are moving at speeds of v and v/2, respectively. After undergoing a completely inelastic collision, they move together with a speed of v/3. The angle between the initial velocity of the two objects is (a) 60 (b) 120 (c) 45 (d) 90

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