A block of mass 1.74 kg is placed on a frictionless floor and initially pushed northward, whereupon it begins sliding with a constant speed of 3.14 m/s. It eventually collides with a second, stationary block, of mass 3.67 kg, head-on, and rebounds back to the south. The collision is 100% elastic. What will be the speeds of the 1.74-kg and 3.67-kg blocks, respectively, after this collision?

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A: Solution

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