Preview File Edit View Go Tools Window Help 84% , Tue 7:22 PM aE Exam 3 (page 4

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Preview File Edit View Go Tools Window Help 84% , Tue 7:22 PM aE Exam 3 (page 4 of 12) Q Search Exam 3 Physics 211, Fall 2017 Midterm 3 p. 2 of 10 Masses Mi = 4 kg and M2-2 kg are both moving along a frictionless surface, with vi-4 m/s (to the right) and an unknown value of v2. The masses then collide and stick together. After the collision they are moving together to the right at 2 m/s. What is v2, the initial velocity of M2 before the collision? 3. Mi M2 A. 2 m/s to the left B. 1 m/s to the left C. 1 m/s to the right D. 2 m/s to the right E. 3 m/s to the right

Explanation / Answer

yes A is correct  

4x4 + 2xV = 6x2
v= -2 m/s
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