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As per the given figure, two blocks each of mass 250 g are connected to a spring of spring constant 2 Nm –1 . If both are given velocity v in opposite directions, then maximum elongation of the spring is : 250 g 250 g

1. 2 2 v
2. 2 v
3. 4 v
4. 2 v

Correct answer: 2 v

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