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Object A, which has a mass m and a velocity v0, collides head-on with object B, which has a mass 2m and a velocity 1/2v0. Following the collision, object B has a velocity of 1/4v0. (a) Determine the velocity of object A after the collision. v = ? If not, express the change in the kinetic energy in terms of m and v0. (Enter 0 if the collision is elastic.) ?E = ?

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