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Question

In the above question, the velocity of the rear 2 kg block after it separates from the spring will be :
  1. 0 m/s
  2. 5 m/s
  3. 10 m/s
  4. 7.5 m/s

A
5 m/s
B
7.5 m/s
C
0 m/s
D
10 m/s
Solution
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