A block of mass 1.11 kg is placed on a frictionless floor and initially pushed northward, whereupon it begins sliding with a constant speed of 5.86 m/s. It eventually collides with a second, stationary block, of mass 3.77 kg, head-on, and rebounds back to the south. The collision is 100% elastic. What will be the speeds of the 1.11-kg and 3.77-kg blocks, respectively, after this collision?

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
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A block of mass 1.11 kg is placed on a frictionless floor
and initially pushed northward, whereupon it begins
sliding with a constant speed of 5.86 m/s. It eventually
collides with a second, stationary block, of mass 3.77 kg,
head-on, and rebounds back to the south. The collision is
100% elastic. What will be the speeds of the 1.11-kg and
3.77-kg blocks, respectively, after this collision?
1
2.23 m/s and 3.06 m/s
2
3.19 m/s and 2.67 m/s
3
2.67 m/s and 3.19 m/s
4
1.72 m/s and 2.93 m/s
Transcribed Image Text:A block of mass 1.11 kg is placed on a frictionless floor and initially pushed northward, whereupon it begins sliding with a constant speed of 5.86 m/s. It eventually collides with a second, stationary block, of mass 3.77 kg, head-on, and rebounds back to the south. The collision is 100% elastic. What will be the speeds of the 1.11-kg and 3.77-kg blocks, respectively, after this collision? 1 2.23 m/s and 3.06 m/s 2 3.19 m/s and 2.67 m/s 3 2.67 m/s and 3.19 m/s 4 1.72 m/s and 2.93 m/s
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