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Object 1, m1 = 3kg, collides and permanently sticks together with a stationary second object, m2...

Object 1, m1 = 3kg, collides and permanently sticks together with a stationary second object, m2 = 2kg. After the collision, they bounce off a moving third object, m3 = 2kg. If v1,i = +3m/s, v3,i = −2m/s, and object 3 bounces off at twice the speed it comes in, what are the final velocities of m1 and m2? Note that m1 and m2 are still stuck together.

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that is m1 and m2 start moving in reverse direction

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