Consider a frictionless track as shown in the figure below. A block of mass  m1 = 4.65 kg  is released from . It makes a head-on elastic collision at  with a block of mass  m2 = 12.5 kg  that is initially at rest. Calculate the maximum height to which m1 rises after the collision.  m Two masses are shown on a frictionless wooden track. The left part of the track curves downward from left to right, starting from an almost-vertical slope and then decreasing in slope magnitude until it is horizontal. The right part of the track is horizontal and has a longer surface length than that of the first part of the track. Mass m1 is on the curved part of the track at point A, a vertical distance of 5.00 m from the lowest point on the track. Mass m2 is on the second part of the track just where the track becomes horizontal, at point B.

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