UESTION 4 5 points A block of mass 1.05 kg is placed on a frictionless floor and initially pushed northward, whereupon it begins sliding with a constant peed of 5.25 m/s. It eventually collides with a second, stationary block, of mass 3.40 kg, head-on, and rebounds back to the south. The collision is 100% elastic. What will be the speeds of the 1.05-kg and 3.40-kg blocks, respectively, after this collision? 2.77 m/s and 2.48 m/s 2.48 m/s and 2.77 m/s O 1.60 m/s and 2.63 m/s O 1.66 m/s and 2.70 m/s