A block of mass 1.04 kg is placed on a frictionless floor and initially pushed northward, whereupon it begins sliding with a constant speed of 3.02 m/s. It eventually collides with a second, stationary block, of mass 4.88 kg, head-on, and rebounds back to the south. The collision is 100% elastic. What will be the speeds of the 1.04-kg and 4.88-kg blocks, respectively, after this collision?

Principles of Physics: A Calculus-Based Text
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Chapter8: Momentum And Collisions
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A block of mass 1.04 kg is placed on a frictionless floor and initially pushed northward, whereupon it begins sliding with
a constant speed of 3.02 m/s. It eventually collides with a second, stationary block, of mass 4.88 kg, head-on, and
rebounds back to the south. The collision is 100% elastic. What will be the speeds of the 1.04-kg and 4.88-kg blocks,
respectively, after this collision?
1.06 m/s and 1.96 m/s
1.71 m/s and 1.51 m/s
0.98 m/s and 1.74 m/s
4
1.96 m/s and 1.06 m/s
Transcribed Image Text:A block of mass 1.04 kg is placed on a frictionless floor and initially pushed northward, whereupon it begins sliding with a constant speed of 3.02 m/s. It eventually collides with a second, stationary block, of mass 4.88 kg, head-on, and rebounds back to the south. The collision is 100% elastic. What will be the speeds of the 1.04-kg and 4.88-kg blocks, respectively, after this collision? 1.06 m/s and 1.96 m/s 1.71 m/s and 1.51 m/s 0.98 m/s and 1.74 m/s 4 1.96 m/s and 1.06 m/s
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