QUESTION 4A block of mass 1.99 kg is placed on a frictionless floor and initially pushed northward, whereupon it begins sliding with a constant speed of 5.41 m/s. It eventually collides with a second, stationary block, of mass 4.21 kg, head-on, and rebounds back to the south. The collision is 100% elastic. What will be the speeds of the 1.99-kg and 4.21-kg blocks, respectively, after this collision? A2.70 m/s and 2.71 m/s B1.16 m/s and 2.33 m/s C1.94 m/s and 3.47 m/s D3.47 m/s and 1.94 m/s

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College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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QUESTION 4

A block of mass 1.99 kg is placed on a frictionless floor and initially pushed northward, whereupon it begins sliding with a constant speed of 5.41 m/s. It eventually collides with a second, stationary block, of mass 4.21 kg, head-on, and rebounds back to the south. The collision is 100% elastic. What will be the speeds of the 1.99-kg and 4.21-kg blocks, respectively, after this collision?

A
2.70 m/s and 2.71 m/s

B
1.16 m/s and 2.33 m/s

C
1.94 m/s and 3.47 m/s

D
3.47 m/s and 1.94 m/s

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