Two blocks slide on a collision course across a frictionless surface, as in the figure. The resulting collision is inelastic. The first block has mass  M = 1.20 kg  and is initially sliding due north at a speed of  Vi = 9.15 m/s.  The second block has mass  m = 7.40 ✕ 10−2 kg  and is initially sliding at a speed of  vi = 13.5 m/s  directed at an angle  θ = 31.5°  south of east. Immediately after the inelastic collision, the second block is observed sliding at  vf = 5.15 m/s  in a direction of  ϕ = 17.5°  north of east.   Determine the components of the first block's velocity after the collision. Vxf  =    Vyf  =

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