A mass of \( 0.5 \mathrm{~kg} \) moving with a speed of \( 1.5 \mathrm{~m} / \mathrm{s} \) on a ...

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A mass of \( 0.5 \mathrm{~kg} \) moving with a speed of \( 1.5 \mathrm{~m} / \mathrm{s} \) on a horizontal smooth surface, collides with a nearly weightless spring of force constant \( k=50 \mathrm{~N} / \mathrm{m} \). The maximum compression of the spring would be
[CBSE PMT 2004]
(a) \( 0.15 \mathrm{~m} \)
(b) \( 0.12 \mathrm{~m} \)
(c) \( 1.5 \mathrm{~m} \)
(d) \( 0.5 \mathrm{~m} \)
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