A block of mass mm = 16 kgkg has a speed VV and is behind a block of mass MM = 65 kgkg that has a speed of 0.5 m/sm/s. The surface is frictionless. The blocks collide and couple. After the collision, the blocks have a common speed of 0.9 m/sm/s. In the figure, the loss of kinetic energy of the blocks due to the collision is closest to: 7.7 J 25 J 26 J 9.3 J 76 J

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