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A mass of 0.5 kg moving with a speed of 1.5 m/s on a horizontal smooth surface, collides with a nearly weightless spring of force constant m N k / 50  . The maximum compression of the spring would be

1. 0.15 m
2. 0.12 m
3. 1.5 m
4. 0.5 m

Correct answer: 0.15 m

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