Figure Q9.21 shows two blocks sliding on a frictionless surface. Eventually the smaller block overtakes the larger

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Figure Q9.21 shows two blocks sliding on a frictionless surface. Eventually the smaller block overtakes the larger one, collides with it, and sticks. What is the speed of the two blocks after the collision? 

FIGURE Q9.21 m 2v 3

A. vi/2 

B. 4vi/5  

C. Vi

D. 5vi/4

E. 2vi

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College Physics A Strategic Approach

ISBN: 9780321595492

2nd Edition

Authors: Randall D. Knight, Brian Jones, Stuart Field

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