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Problem 4-. The uniform red and blue bars, each with mass m and length L, lie on a frictionless horizontal surface. The red bar has an angular velocity of mo and its center of mass is stationary prior to colliding with the blue bar in the position 111, L shown. The contact point is frictionless and has a coefcient of restitution of e = 1/2. Determine the angular velocities ofthe bars after the collision. identifying a set of scalar equations and unknowns that they can be solved for to answer the question will be awarded full credit. B